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Finding the Fourth Proportional to 564,980.67, 847,526.49 and 185,747.58

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Solution

The fourth proportional to 564,980.67, 847,526.49 and 185,747.58 is: 278,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,980.67 : 847,526.49 = 185,747.58 : x
  2. Step 2: Convert to fraction form
    564,980.67/847,526.49 = 185,747.58/x
  3. Step 3: Cross multiply
    564,980.67x = 847,526.49 × 185,747.58
  4. Step 4: Simplify right side
    564,980.67x = 157,425,994,503.39
  5. Step 5: Solve for x
    x = 157,425,994,503.39/564,980.67
  6. Step 6: Final answer
    x = 278,639.61

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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.