Home / 502,131.42-692,939.22-272,687.11

Finding the Fourth Proportional to 502,131.42, 692,939.22 and 272,687.11

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Solution

The fourth proportional to 502,131.42, 692,939.22 and 272,687.11 is: 376,307.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,131.42 : 692,939.22 = 272,687.11 : x
  2. Step 2: Convert to fraction form
    502,131.42/692,939.22 = 272,687.11/x
  3. Step 3: Cross multiply
    502,131.42x = 692,939.22 × 272,687.11
  4. Step 4: Simplify right side
    502,131.42x = 188,955,593,307.45
  5. Step 5: Solve for x
    x = 188,955,593,307.45/502,131.42
  6. Step 6: Final answer
    x = 376,307.05

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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.