Home / 280,244.80-386,734.56-152,922.52

Finding the Fourth Proportional to 280,244.80, 386,734.56 and 152,922.52

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Solution

The fourth proportional to 280,244.80, 386,734.56 and 152,922.52 is: 211,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,244.80 : 386,734.56 = 152,922.52 : x
  2. Step 2: Convert to fraction form
    280,244.80/386,734.56 = 152,922.52/x
  3. Step 3: Cross multiply
    280,244.80x = 386,734.56 × 152,922.52
  4. Step 4: Simplify right side
    280,244.80x = 59,140,423,486.29
  5. Step 5: Solve for x
    x = 59,140,423,486.29/280,244.80
  6. Step 6: Final answer
    x = 211,031.30

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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.