Home / 282,247.60-389,434.68-159,741.64

Finding the Fourth Proportional to 282,247.60, 389,434.68 and 159,741.64

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Solution

The fourth proportional to 282,247.60, 389,434.68 and 159,741.64 is: 220,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,247.60 : 389,434.68 = 159,741.64 : x
  2. Step 2: Convert to fraction form
    282,247.60/389,434.68 = 159,741.64/x
  3. Step 3: Cross multiply
    282,247.60x = 389,434.68 × 159,741.64
  4. Step 4: Simplify right side
    282,247.60x = 62,208,934,456.08
  5. Step 5: Solve for x
    x = 62,208,934,456.08/282,247.60
  6. Step 6: Final answer
    x = 220,405.54

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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.