Home / 260,929.37-391,270.70-101,080.18

Finding the Fourth Proportional to 260,929.37, 391,270.70 and 101,080.18

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Solution

The fourth proportional to 260,929.37, 391,270.70 and 101,080.18 is: 151,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,929.37 : 391,270.70 = 101,080.18 : x
  2. Step 2: Convert to fraction form
    260,929.37/391,270.70 = 101,080.18/x
  3. Step 3: Cross multiply
    260,929.37x = 391,270.70 × 101,080.18
  4. Step 4: Simplify right side
    260,929.37x = 39,549,710,322.97
  5. Step 5: Solve for x
    x = 39,549,710,322.97/260,929.37
  6. Step 6: Final answer
    x = 151,572.47

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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.