Home / 346,788.20-520,074.30-136,490.60

Finding the Fourth Proportional to 346,788.20, 520,074.30 and 136,490.60

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Solution

The fourth proportional to 346,788.20, 520,074.30 and 136,490.60 is: 204,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,788.20 : 520,074.30 = 136,490.60 : x
  2. Step 2: Convert to fraction form
    346,788.20/520,074.30 = 136,490.60/x
  3. Step 3: Cross multiply
    346,788.20x = 520,074.30 × 136,490.60
  4. Step 4: Simplify right side
    346,788.20x = 70,985,253,251.58
  5. Step 5: Solve for x
    x = 70,985,253,251.58/346,788.20
  6. Step 6: Final answer
    x = 204,693.39

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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.