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Finding the Fourth Proportional to 369,331.53, 509,677.65 and 199,565.64

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Solution

The fourth proportional to 369,331.53, 509,677.65 and 199,565.64 is: 275,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,331.53 : 509,677.65 = 199,565.64 : x
  2. Step 2: Convert to fraction form
    369,331.53/509,677.65 = 199,565.64/x
  3. Step 3: Cross multiply
    369,331.53x = 509,677.65 × 199,565.64
  4. Step 4: Simplify right side
    369,331.53x = 101,714,146,415.95
  5. Step 5: Solve for x
    x = 101,714,146,415.95/369,331.53
  6. Step 6: Final answer
    x = 275,400.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.