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Finding the Fourth Proportional to 228,598.32, 315,438.72 and 131,801.10

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Solution

The fourth proportional to 228,598.32, 315,438.72 and 131,801.10 is: 181,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,598.32 : 315,438.72 = 131,801.10 : x
  2. Step 2: Convert to fraction form
    228,598.32/315,438.72 = 131,801.10/x
  3. Step 3: Cross multiply
    228,598.32x = 315,438.72 × 131,801.10
  4. Step 4: Simplify right side
    228,598.32x = 41,575,170,278.59
  5. Step 5: Solve for x
    x = 41,575,170,278.59/228,598.32
  6. Step 6: Final answer
    x = 181,869.97

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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.