Home / 335,122.20-502,772.40-145,501.20

Finding the Fourth Proportional to 335,122.20, 502,772.40 and 145,501.20

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Solution

The fourth proportional to 335,122.20, 502,772.40 and 145,501.20 is: 218,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,122.20 : 502,772.40 = 145,501.20 : x
  2. Step 2: Convert to fraction form
    335,122.20/502,772.40 = 145,501.20/x
  3. Step 3: Cross multiply
    335,122.20x = 502,772.40 × 145,501.20
  4. Step 4: Simplify right side
    335,122.20x = 73,153,987,526.88
  5. Step 5: Solve for x
    x = 73,153,987,526.88/335,122.20
  6. Step 6: Final answer
    x = 218,290.48

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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.