Home / 260,436.96-392,607.47-243,076.91

Finding the Fourth Proportional to 260,436.96, 392,607.47 and 243,076.91

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Solution

The fourth proportional to 260,436.96, 392,607.47 and 243,076.91 is: 366,437.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,436.96 : 392,607.47 = 243,076.91 : x
  2. Step 2: Convert to fraction form
    260,436.96/392,607.47 = 243,076.91/x
  3. Step 3: Cross multiply
    260,436.96x = 392,607.47 × 243,076.91
  4. Step 4: Simplify right side
    260,436.96x = 95,433,809,295.17
  5. Step 5: Solve for x
    x = 95,433,809,295.17/260,436.96
  6. Step 6: Final answer
    x = 366,437.27

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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.