Home / 332,641.60-498,962.40-199,931.20

Finding the Fourth Proportional to 332,641.60, 498,962.40 and 199,931.20

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Solution

The fourth proportional to 332,641.60, 498,962.40 and 199,931.20 is: 299,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,641.60 : 498,962.40 = 199,931.20 : x
  2. Step 2: Convert to fraction form
    332,641.60/498,962.40 = 199,931.20/x
  3. Step 3: Cross multiply
    332,641.60x = 498,962.40 × 199,931.20
  4. Step 4: Simplify right side
    332,641.60x = 99,758,151,386.88
  5. Step 5: Solve for x
    x = 99,758,151,386.88/332,641.60
  6. Step 6: Final answer
    x = 299,896.80

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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.