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Finding the Fourth Proportional to 564,529.97, 846,628.88 and 165,075.79

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Solution

The fourth proportional to 564,529.97, 846,628.88 and 165,075.79 is: 247,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,529.97 : 846,628.88 = 165,075.79 : x
  2. Step 2: Convert to fraction form
    564,529.97/846,628.88 = 165,075.79/x
  3. Step 3: Cross multiply
    564,529.97x = 846,628.88 × 165,075.79
  4. Step 4: Simplify right side
    564,529.97x = 139,757,928,260.86
  5. Step 5: Solve for x
    x = 139,757,928,260.86/564,529.97
  6. Step 6: Final answer
    x = 247,565.12

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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.