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Finding the Fourth Proportional to 170,488.92, 235,375.52 and 151,573.71

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Solution

The fourth proportional to 170,488.92, 235,375.52 and 151,573.71 is: 209,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,488.92 : 235,375.52 = 151,573.71 : x
  2. Step 2: Convert to fraction form
    170,488.92/235,375.52 = 151,573.71/x
  3. Step 3: Cross multiply
    170,488.92x = 235,375.52 × 151,573.71
  4. Step 4: Simplify right side
    170,488.92x = 35,676,740,809.58
  5. Step 5: Solve for x
    x = 35,676,740,809.58/170,488.92
  6. Step 6: Final answer
    x = 209,261.35

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1.5x scale

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.