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Finding the Fourth Proportional to 493,110.80, 680,490.60 and 266,754.32

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Solution

The fourth proportional to 493,110.80, 680,490.60 and 266,754.32 is: 368,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,110.80 : 680,490.60 = 266,754.32 : x
  2. Step 2: Convert to fraction form
    493,110.80/680,490.60 = 266,754.32/x
  3. Step 3: Cross multiply
    493,110.80x = 680,490.60 × 266,754.32
  4. Step 4: Simplify right side
    493,110.80x = 181,523,807,269.39
  5. Step 5: Solve for x
    x = 181,523,807,269.39/493,110.80
  6. Step 6: Final answer
    x = 368,119.72

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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.