Home / 260,405.32-359,362.20-152,979.88

Finding the Fourth Proportional to 260,405.32, 359,362.20 and 152,979.88

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Solution

The fourth proportional to 260,405.32, 359,362.20 and 152,979.88 is: 211,113.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,405.32 : 359,362.20 = 152,979.88 : x
  2. Step 2: Convert to fraction form
    260,405.32/359,362.20 = 152,979.88/x
  3. Step 3: Cross multiply
    260,405.32x = 359,362.20 × 152,979.88
  4. Step 4: Simplify right side
    260,405.32x = 54,975,186,232.54
  5. Step 5: Solve for x
    x = 54,975,186,232.54/260,405.32
  6. Step 6: Final answer
    x = 211,113.91

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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.