Home / 346,869.20-520,044.60-189,275.60

Finding the Fourth Proportional to 346,869.20, 520,044.60 and 189,275.60

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Solution

The fourth proportional to 346,869.20, 520,044.60 and 189,275.60 is: 283,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,869.20 : 520,044.60 = 189,275.60 : x
  2. Step 2: Convert to fraction form
    346,869.20/520,044.60 = 189,275.60/x
  3. Step 3: Cross multiply
    346,869.20x = 520,044.60 × 189,275.60
  4. Step 4: Simplify right side
    346,869.20x = 98,431,753,691.76
  5. Step 5: Solve for x
    x = 98,431,753,691.76/346,869.20
  6. Step 6: Final answer
    x = 283,771.96

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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.