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Finding the Fourth Proportional to 282,377.32, 389,679.90 and 169,200.07

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Solution

The fourth proportional to 282,377.32, 389,679.90 and 169,200.07 is: 233,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,377.32 : 389,679.90 = 169,200.07 : x
  2. Step 2: Convert to fraction form
    282,377.32/389,679.90 = 169,200.07/x
  3. Step 3: Cross multiply
    282,377.32x = 389,679.90 × 169,200.07
  4. Step 4: Simplify right side
    282,377.32x = 65,933,864,748.89
  5. Step 5: Solve for x
    x = 65,933,864,748.89/282,377.32
  6. Step 6: Final answer
    x = 233,495.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.