Home / 288,336.25-432,516.15-98,926.86

Finding the Fourth Proportional to 288,336.25, 432,516.15 and 98,926.86

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Solution

The fourth proportional to 288,336.25, 432,516.15 and 98,926.86 is: 148,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,336.25 : 432,516.15 = 98,926.86 : x
  2. Step 2: Convert to fraction form
    288,336.25/432,516.15 = 98,926.86/x
  3. Step 3: Cross multiply
    288,336.25x = 432,516.15 × 98,926.86
  4. Step 4: Simplify right side
    288,336.25x = 42,787,464,618.79
  5. Step 5: Solve for x
    x = 42,787,464,618.79/288,336.25
  6. Step 6: Final answer
    x = 148,394.33

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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.