Home / 279,329.31-385,475.76-152,006.22

Finding the Fourth Proportional to 279,329.31, 385,475.76 and 152,006.22

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Solution

The fourth proportional to 279,329.31, 385,475.76 and 152,006.22 is: 209,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,329.31 : 385,475.76 = 152,006.22 : x
  2. Step 2: Convert to fraction form
    279,329.31/385,475.76 = 152,006.22/x
  3. Step 3: Cross multiply
    279,329.31x = 385,475.76 × 152,006.22
  4. Step 4: Simplify right side
    279,329.31x = 58,594,713,179.23
  5. Step 5: Solve for x
    x = 58,594,713,179.23/279,329.31
  6. Step 6: Final answer
    x = 209,769.30

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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.