Home / 545,115.30-817,709.40-185,280.90

Finding the Fourth Proportional to 545,115.30, 817,709.40 and 185,280.90

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Solution

The fourth proportional to 545,115.30, 817,709.40 and 185,280.90 is: 277,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,115.30 : 817,709.40 = 185,280.90 : x
  2. Step 2: Convert to fraction form
    545,115.30/817,709.40 = 185,280.90/x
  3. Step 3: Cross multiply
    545,115.30x = 817,709.40 × 185,280.90
  4. Step 4: Simplify right side
    545,115.30x = 151,505,933,570.46
  5. Step 5: Solve for x
    x = 151,505,933,570.46/545,115.30
  6. Step 6: Final answer
    x = 277,933.74

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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.