Home / 231,123.60-346,685.40-191,725.20

Finding the Fourth Proportional to 231,123.60, 346,685.40 and 191,725.20

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Solution

The fourth proportional to 231,123.60, 346,685.40 and 191,725.20 is: 287,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,123.60 : 346,685.40 = 191,725.20 : x
  2. Step 2: Convert to fraction form
    231,123.60/346,685.40 = 191,725.20/x
  3. Step 3: Cross multiply
    231,123.60x = 346,685.40 × 191,725.20
  4. Step 4: Simplify right side
    231,123.60x = 66,468,327,652.08
  5. Step 5: Solve for x
    x = 66,468,327,652.08/231,123.60
  6. Step 6: Final answer
    x = 287,587.80

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1.5x scale

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.