Home / 217,655.41-326,446.15-99,298.93

Finding the Fourth Proportional to 217,655.41, 326,446.15 and 99,298.93

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Solution

The fourth proportional to 217,655.41, 326,446.15 and 99,298.93 is: 148,931.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,655.41 : 326,446.15 = 99,298.93 : x
  2. Step 2: Convert to fraction form
    217,655.41/326,446.15 = 99,298.93/x
  3. Step 3: Cross multiply
    217,655.41x = 326,446.15 × 99,298.93
  4. Step 4: Simplify right side
    217,655.41x = 32,415,753,397.62
  5. Step 5: Solve for x
    x = 32,415,753,397.62/217,655.41
  6. Step 6: Final answer
    x = 148,931.53

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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.