Home / 282,248.60-389,436.06-159,742.64

Finding the Fourth Proportional to 282,248.60, 389,436.06 and 159,742.64

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Solution

The fourth proportional to 282,248.60, 389,436.06 and 159,742.64 is: 220,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,248.60 : 389,436.06 = 159,742.64 : x
  2. Step 2: Convert to fraction form
    282,248.60/389,436.06 = 159,742.64/x
  3. Step 3: Cross multiply
    282,248.60x = 389,436.06 × 159,742.64
  4. Step 4: Simplify right side
    282,248.60x = 62,209,544,335.60
  5. Step 5: Solve for x
    x = 62,209,544,335.60/282,248.60
  6. Step 6: Final answer
    x = 220,406.92

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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.