Home / 259,328.66-389,005.16-126,050.04

Finding the Fourth Proportional to 259,328.66, 389,005.16 and 126,050.04

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Solution

The fourth proportional to 259,328.66, 389,005.16 and 126,050.04 is: 189,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,328.66 : 389,005.16 = 126,050.04 : x
  2. Step 2: Convert to fraction form
    259,328.66/389,005.16 = 126,050.04/x
  3. Step 3: Cross multiply
    259,328.66x = 389,005.16 × 126,050.04
  4. Step 4: Simplify right side
    259,328.66x = 49,034,115,347.96
  5. Step 5: Solve for x
    x = 49,034,115,347.96/259,328.66
  6. Step 6: Final answer
    x = 189,080.98

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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.