Home / 502,528.20-753,821.01-142,670.91

Finding the Fourth Proportional to 502,528.20, 753,821.01 and 142,670.91

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Solution

The fourth proportional to 502,528.20, 753,821.01 and 142,670.91 is: 214,014.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,528.20 : 753,821.01 = 142,670.91 : x
  2. Step 2: Convert to fraction form
    502,528.20/753,821.01 = 142,670.91/x
  3. Step 3: Cross multiply
    502,528.20x = 753,821.01 × 142,670.91
  4. Step 4: Simplify right side
    502,528.20x = 107,548,329,473.82
  5. Step 5: Solve for x
    x = 107,548,329,473.82/502,528.20
  6. Step 6: Final answer
    x = 214,014.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.