Home / 279,331.56-385,476.84-152,007.12

Finding the Fourth Proportional to 279,331.56, 385,476.84 and 152,007.12

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Solution

The fourth proportional to 279,331.56, 385,476.84 and 152,007.12 is: 209,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,331.56 : 385,476.84 = 152,007.12 : x
  2. Step 2: Convert to fraction form
    279,331.56/385,476.84 = 152,007.12/x
  3. Step 3: Cross multiply
    279,331.56x = 385,476.84 × 152,007.12
  4. Step 4: Simplify right side
    279,331.56x = 58,595,224,275.10
  5. Step 5: Solve for x
    x = 58,595,224,275.10/279,331.56
  6. Step 6: Final answer
    x = 209,769.44

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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.