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Finding the Fourth Proportional to 234,235.16, 351,351.55 and 56,742.18

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Solution

The fourth proportional to 234,235.16, 351,351.55 and 56,742.18 is: 85,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,235.16 : 351,351.55 = 56,742.18 : x
  2. Step 2: Convert to fraction form
    234,235.16/351,351.55 = 56,742.18/x
  3. Step 3: Cross multiply
    234,235.16x = 351,351.55 × 56,742.18
  4. Step 4: Simplify right side
    234,235.16x = 19,936,452,893.38
  5. Step 5: Solve for x
    x = 19,936,452,893.38/234,235.16
  6. Step 6: Final answer
    x = 85,112.98

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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.