Home / 286,621.40-429,932.10-160,650.20

Finding the Fourth Proportional to 286,621.40, 429,932.10 and 160,650.20

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Solution

The fourth proportional to 286,621.40, 429,932.10 and 160,650.20 is: 240,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,621.40 : 429,932.10 = 160,650.20 : x
  2. Step 2: Convert to fraction form
    286,621.40/429,932.10 = 160,650.20/x
  3. Step 3: Cross multiply
    286,621.40x = 429,932.10 × 160,650.20
  4. Step 4: Simplify right side
    286,621.40x = 69,068,677,851.42
  5. Step 5: Solve for x
    x = 69,068,677,851.42/286,621.40
  6. Step 6: Final answer
    x = 240,975.30

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Similar ratio
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1.5x scale

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.