Home / 261,429.30-392,096.75-69,305.00

Finding the Fourth Proportional to 261,429.30, 392,096.75 and 69,305.00

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Solution

The fourth proportional to 261,429.30, 392,096.75 and 69,305.00 is: 103,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,429.30 : 392,096.75 = 69,305.00 : x
  2. Step 2: Convert to fraction form
    261,429.30/392,096.75 = 69,305.00/x
  3. Step 3: Cross multiply
    261,429.30x = 392,096.75 × 69,305.00
  4. Step 4: Simplify right side
    261,429.30x = 27,174,262,951.74
  5. Step 5: Solve for x
    x = 27,174,262,951.74/261,429.30
  6. Step 6: Final answer
    x = 103,944.98

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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.