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Finding the Fourth Proportional to 144,618.40, 216,927.60 and 97,379.20

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Solution

The fourth proportional to 144,618.40, 216,927.60 and 97,379.20 is: 146,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,618.40 : 216,927.60 = 97,379.20 : x
  2. Step 2: Convert to fraction form
    144,618.40/216,927.60 = 97,379.20/x
  3. Step 3: Cross multiply
    144,618.40x = 216,927.60 × 97,379.20
  4. Step 4: Simplify right side
    144,618.40x = 21,124,236,145.92
  5. Step 5: Solve for x
    x = 21,124,236,145.92/144,618.40
  6. Step 6: Final answer
    x = 146,068.80

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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.