Home / 361,167.86-498,397.86-197,821.74

Finding the Fourth Proportional to 361,167.86, 498,397.86 and 197,821.74

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Solution

The fourth proportional to 361,167.86, 498,397.86 and 197,821.74 is: 272,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,167.86 : 498,397.86 = 197,821.74 : x
  2. Step 2: Convert to fraction form
    361,167.86/498,397.86 = 197,821.74/x
  3. Step 3: Cross multiply
    361,167.86x = 498,397.86 × 197,821.74
  4. Step 4: Simplify right side
    361,167.86x = 98,593,933,746.47
  5. Step 5: Solve for x
    x = 98,593,933,746.47/361,167.86
  6. Step 6: Final answer
    x = 272,986.45

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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.