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Finding the Fourth Proportional to 371,607.34, 557,422.58 and 176,817.86

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Solution

The fourth proportional to 371,607.34, 557,422.58 and 176,817.86 is: 265,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,607.34 : 557,422.58 = 176,817.86 : x
  2. Step 2: Convert to fraction form
    371,607.34/557,422.58 = 176,817.86/x
  3. Step 3: Cross multiply
    371,607.34x = 557,422.58 × 176,817.86
  4. Step 4: Simplify right side
    371,607.34x = 98,562,267,711.28
  5. Step 5: Solve for x
    x = 98,562,267,711.28/371,607.34
  6. Step 6: Final answer
    x = 265,232.30

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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.