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Finding the Fourth Proportional to 376,152.88, 564,265.68 and 109,907.32

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Solution

The fourth proportional to 376,152.88, 564,265.68 and 109,907.32 is: 164,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,152.88 : 564,265.68 = 109,907.32 : x
  2. Step 2: Convert to fraction form
    376,152.88/564,265.68 = 109,907.32/x
  3. Step 3: Cross multiply
    376,152.88x = 564,265.68 × 109,907.32
  4. Step 4: Simplify right side
    376,152.88x = 62,016,928,656.78
  5. Step 5: Solve for x
    x = 62,016,928,656.78/376,152.88
  6. Step 6: Final answer
    x = 164,871.60

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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.