Home / 265,811.32-398,784.18-88,319.20

Finding the Fourth Proportional to 265,811.32, 398,784.18 and 88,319.20

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Solution

The fourth proportional to 265,811.32, 398,784.18 and 88,319.20 is: 132,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,811.32 : 398,784.18 = 88,319.20 : x
  2. Step 2: Convert to fraction form
    265,811.32/398,784.18 = 88,319.20/x
  3. Step 3: Cross multiply
    265,811.32x = 398,784.18 × 88,319.20
  4. Step 4: Simplify right side
    265,811.32x = 35,220,299,750.26
  5. Step 5: Solve for x
    x = 35,220,299,750.26/265,811.32
  6. Step 6: Final answer
    x = 132,501.13

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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.