Home / 346,819.60-520,229.40-222,403.60

Finding the Fourth Proportional to 346,819.60, 520,229.40 and 222,403.60

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Solution

The fourth proportional to 346,819.60, 520,229.40 and 222,403.60 is: 333,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,819.60 : 520,229.40 = 222,403.60 : x
  2. Step 2: Convert to fraction form
    346,819.60/520,229.40 = 222,403.60/x
  3. Step 3: Cross multiply
    346,819.60x = 520,229.40 × 222,403.60
  4. Step 4: Simplify right side
    346,819.60x = 115,700,891,385.84
  5. Step 5: Solve for x
    x = 115,700,891,385.84/346,819.60
  6. Step 6: Final answer
    x = 333,605.40

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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.