Home / 317,383.28-437,988.88-181,420.15

Finding the Fourth Proportional to 317,383.28, 437,988.88 and 181,420.15

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Solution

The fourth proportional to 317,383.28, 437,988.88 and 181,420.15 is: 250,359.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,383.28 : 437,988.88 = 181,420.15 : x
  2. Step 2: Convert to fraction form
    317,383.28/437,988.88 = 181,420.15/x
  3. Step 3: Cross multiply
    317,383.28x = 437,988.88 × 181,420.15
  4. Step 4: Simplify right side
    317,383.28x = 79,460,006,759.41
  5. Step 5: Solve for x
    x = 79,460,006,759.41/317,383.28
  6. Step 6: Final answer
    x = 250,359.78

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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.