Home / 280,246.80-386,737.32-152,924.52

Finding the Fourth Proportional to 280,246.80, 386,737.32 and 152,924.52

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Solution

The fourth proportional to 280,246.80, 386,737.32 and 152,924.52 is: 211,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,246.80 : 386,737.32 = 152,924.52 : x
  2. Step 2: Convert to fraction form
    280,246.80/386,737.32 = 152,924.52/x
  3. Step 3: Cross multiply
    280,246.80x = 386,737.32 × 152,924.52
  4. Step 4: Simplify right side
    280,246.80x = 59,141,619,027.09
  5. Step 5: Solve for x
    x = 59,141,619,027.09/280,246.80
  6. Step 6: Final answer
    x = 211,034.06

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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.