Home / 217,468.83-326,124.98-75,275.47

Finding the Fourth Proportional to 217,468.83, 326,124.98 and 75,275.47

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Solution

The fourth proportional to 217,468.83, 326,124.98 and 75,275.47 is: 112,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,468.83 : 326,124.98 = 75,275.47 : x
  2. Step 2: Convert to fraction form
    217,468.83/326,124.98 = 75,275.47/x
  3. Step 3: Cross multiply
    217,468.83x = 326,124.98 × 75,275.47
  4. Step 4: Simplify right side
    217,468.83x = 24,549,211,148.24
  5. Step 5: Solve for x
    x = 24,549,211,148.24/217,468.83
  6. Step 6: Final answer
    x = 112,886.11

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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.