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Finding the Fourth Proportional to 378,473.96, 567,068.28 and 228,398.90

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Solution

The fourth proportional to 378,473.96, 567,068.28 and 228,398.90 is: 342,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,473.96 : 567,068.28 = 228,398.90 : x
  2. Step 2: Convert to fraction form
    378,473.96/567,068.28 = 228,398.90/x
  3. Step 3: Cross multiply
    378,473.96x = 567,068.28 × 228,398.90
  4. Step 4: Simplify right side
    378,473.96x = 129,517,768,541.55
  5. Step 5: Solve for x
    x = 129,517,768,541.55/378,473.96
  6. Step 6: Final answer
    x = 342,210.52

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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.