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Finding the Fourth Proportional to 264,070.53, 395,908.97 and 158,864.90

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Solution

The fourth proportional to 264,070.53, 395,908.97 and 158,864.90 is: 238,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,070.53 : 395,908.97 = 158,864.90 : x
  2. Step 2: Convert to fraction form
    264,070.53/395,908.97 = 158,864.90/x
  3. Step 3: Cross multiply
    264,070.53x = 395,908.97 × 158,864.90
  4. Step 4: Simplify right side
    264,070.53x = 62,896,036,154.28
  5. Step 5: Solve for x
    x = 62,896,036,154.28/264,070.53
  6. Step 6: Final answer
    x = 238,178.93

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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.