Home / 753,165.10-1,129,747.02-192,199.60

Finding the Fourth Proportional to 753,165.10, 1,129,747.02 and 192,199.60

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Solution

The fourth proportional to 753,165.10, 1,129,747.02 and 192,199.60 is: 288,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,165.10 : 1,129,747.02 = 192,199.60 : x
  2. Step 2: Convert to fraction form
    753,165.10/1,129,747.02 = 192,199.60/x
  3. Step 3: Cross multiply
    753,165.10x = 1,129,747.02 × 192,199.60
  4. Step 4: Simplify right side
    753,165.10x = 217,136,925,345.19
  5. Step 5: Solve for x
    x = 217,136,925,345.19/753,165.10
  6. Step 6: Final answer
    x = 288,299.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.