Home / 332,721.28-498,610.12-257,491.24

Finding the Fourth Proportional to 332,721.28, 498,610.12 and 257,491.24

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Solution

The fourth proportional to 332,721.28, 498,610.12 and 257,491.24 is: 385,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,721.28 : 498,610.12 = 257,491.24 : x
  2. Step 2: Convert to fraction form
    332,721.28/498,610.12 = 257,491.24/x
  3. Step 3: Cross multiply
    332,721.28x = 498,610.12 × 257,491.24
  4. Step 4: Simplify right side
    332,721.28x = 128,387,738,075.35
  5. Step 5: Solve for x
    x = 128,387,738,075.35/332,721.28
  6. Step 6: Final answer
    x = 385,871.74

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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.