Home / 284,484.60-392,583.10-157,159

Finding the Fourth Proportional to 284,484.60, 392,583.10 and 157,159

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Solution

The fourth proportional to 284,484.60, 392,583.10 and 157,159 is: 216,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,484.60 : 392,583.10 = 157,159 : x
  2. Step 2: Convert to fraction form
    284,484.60/392,583.10 = 157,159/x
  3. Step 3: Cross multiply
    284,484.60x = 392,583.10 × 157,159
  4. Step 4: Simplify right side
    284,484.60x = 61,697,967,412.90
  5. Step 5: Solve for x
    x = 61,697,967,412.90/284,484.60
  6. Step 6: Final answer
    x = 216,876.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.