Home / 280,166.28-386,628.96-152,841.90

Finding the Fourth Proportional to 280,166.28, 386,628.96 and 152,841.90

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Solution

The fourth proportional to 280,166.28, 386,628.96 and 152,841.90 is: 210,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,166.28 : 386,628.96 = 152,841.90 : x
  2. Step 2: Convert to fraction form
    280,166.28/386,628.96 = 152,841.90/x
  3. Step 3: Cross multiply
    280,166.28x = 386,628.96 × 152,841.90
  4. Step 4: Simplify right side
    280,166.28x = 59,093,104,841.42
  5. Step 5: Solve for x
    x = 59,093,104,841.42/280,166.28
  6. Step 6: Final answer
    x = 210,921.55

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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.