Home / 502,156.28-692,973.30-272,711.96

Finding the Fourth Proportional to 502,156.28, 692,973.30 and 272,711.96

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Solution

The fourth proportional to 502,156.28, 692,973.30 and 272,711.96 is: 376,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,156.28 : 692,973.30 = 272,711.96 : x
  2. Step 2: Convert to fraction form
    502,156.28/692,973.30 = 272,711.96/x
  3. Step 3: Cross multiply
    502,156.28x = 692,973.30 × 272,711.96
  4. Step 4: Simplify right side
    502,156.28x = 188,982,106,870.67
  5. Step 5: Solve for x
    x = 188,982,106,870.67/502,156.28
  6. Step 6: Final answer
    x = 376,341.22

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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.