Home / 442,197.20-610,159.56-272,421.20

Finding the Fourth Proportional to 442,197.20, 610,159.56 and 272,421.20

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Solution

The fourth proportional to 442,197.20, 610,159.56 and 272,421.20 is: 375,896.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,197.20 : 610,159.56 = 272,421.20 : x
  2. Step 2: Convert to fraction form
    442,197.20/610,159.56 = 272,421.20/x
  3. Step 3: Cross multiply
    442,197.20x = 610,159.56 × 272,421.20
  4. Step 4: Simplify right side
    442,197.20x = 166,220,399,526.67
  5. Step 5: Solve for x
    x = 166,220,399,526.67/442,197.20
  6. Step 6: Final answer
    x = 375,896.54

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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.