Home / 260,856.18-359,981.01-147,689.46

Finding the Fourth Proportional to 260,856.18, 359,981.01 and 147,689.46

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Solution

The fourth proportional to 260,856.18, 359,981.01 and 147,689.46 is: 203,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,856.18 : 359,981.01 = 147,689.46 : x
  2. Step 2: Convert to fraction form
    260,856.18/359,981.01 = 147,689.46/x
  3. Step 3: Cross multiply
    260,856.18x = 359,981.01 × 147,689.46
  4. Step 4: Simplify right side
    260,856.18x = 53,165,400,977.15
  5. Step 5: Solve for x
    x = 53,165,400,977.15/260,856.18
  6. Step 6: Final answer
    x = 203,811.16

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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.