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Finding the Fourth Proportional to 437,482.65, 656,278.65 and 171,208.74

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Solution

The fourth proportional to 437,482.65, 656,278.65 and 171,208.74 is: 256,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,482.65 : 656,278.65 = 171,208.74 : x
  2. Step 2: Convert to fraction form
    437,482.65/656,278.65 = 171,208.74/x
  3. Step 3: Cross multiply
    437,482.65x = 656,278.65 × 171,208.74
  4. Step 4: Simplify right side
    437,482.65x = 112,360,640,755.40
  5. Step 5: Solve for x
    x = 112,360,640,755.40/437,482.65
  6. Step 6: Final answer
    x = 256,834.51

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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.