Home / 280,056.88-386,501.52-159,236.24

Finding the Fourth Proportional to 280,056.88, 386,501.52 and 159,236.24

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Solution

The fourth proportional to 280,056.88, 386,501.52 and 159,236.24 is: 219,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,056.88 : 386,501.52 = 159,236.24 : x
  2. Step 2: Convert to fraction form
    280,056.88/386,501.52 = 159,236.24/x
  3. Step 3: Cross multiply
    280,056.88x = 386,501.52 × 159,236.24
  4. Step 4: Simplify right side
    280,056.88x = 61,545,048,799.08
  5. Step 5: Solve for x
    x = 61,545,048,799.08/280,056.88
  6. Step 6: Final answer
    x = 219,759.10

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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.