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Finding the Fourth Proportional to 401,951.16, 602,138.52 and 233,116.90

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Solution

The fourth proportional to 401,951.16, 602,138.52 and 233,116.90 is: 349,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,951.16 : 602,138.52 = 233,116.90 : x
  2. Step 2: Convert to fraction form
    401,951.16/602,138.52 = 233,116.90/x
  3. Step 3: Cross multiply
    401,951.16x = 602,138.52 × 233,116.90
  4. Step 4: Simplify right side
    401,951.16x = 140,368,665,152.99
  5. Step 5: Solve for x
    x = 140,368,665,152.99/401,951.16
  6. Step 6: Final answer
    x = 349,218.21

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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.