Home / 260,436.85-392,607.30-243,076.80

Finding the Fourth Proportional to 260,436.85, 392,607.30 and 243,076.80

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Solution

The fourth proportional to 260,436.85, 392,607.30 and 243,076.80 is: 366,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,436.85 : 392,607.30 = 243,076.80 : x
  2. Step 2: Convert to fraction form
    260,436.85/392,607.30 = 243,076.80/x
  3. Step 3: Cross multiply
    260,436.85x = 392,607.30 × 243,076.80
  4. Step 4: Simplify right side
    260,436.85x = 95,433,722,962.22
  5. Step 5: Solve for x
    x = 95,433,722,962.22/260,436.85
  6. Step 6: Final answer
    x = 366,437.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.