Home / 502,221.28-753,139.16-213,850.24

Finding the Fourth Proportional to 502,221.28, 753,139.16 and 213,850.24

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Solution

The fourth proportional to 502,221.28, 753,139.16 and 213,850.24 is: 320,693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,221.28 : 753,139.16 = 213,850.24 : x
  2. Step 2: Convert to fraction form
    502,221.28/753,139.16 = 213,850.24/x
  3. Step 3: Cross multiply
    502,221.28x = 753,139.16 × 213,850.24
  4. Step 4: Simplify right side
    502,221.28x = 161,058,990,119.40
  5. Step 5: Solve for x
    x = 161,058,990,119.40/502,221.28
  6. Step 6: Final answer
    x = 320,693.28

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1.5x scale

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.