Home / 325,726.20-488,637.90-115,347.60

Finding the Fourth Proportional to 325,726.20, 488,637.90 and 115,347.60

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Solution

The fourth proportional to 325,726.20, 488,637.90 and 115,347.60 is: 173,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,726.20 : 488,637.90 = 115,347.60 : x
  2. Step 2: Convert to fraction form
    325,726.20/488,637.90 = 115,347.60/x
  3. Step 3: Cross multiply
    325,726.20x = 488,637.90 × 115,347.60
  4. Step 4: Simplify right side
    325,726.20x = 56,363,209,034.04
  5. Step 5: Solve for x
    x = 56,363,209,034.04/325,726.20
  6. Step 6: Final answer
    x = 173,038.61

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1.5x scale

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.