Home / 261,817.50-392,360.09-141,614.86

Finding the Fourth Proportional to 261,817.50, 392,360.09 and 141,614.86

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Solution

The fourth proportional to 261,817.50, 392,360.09 and 141,614.86 is: 212,224.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,817.50 : 392,360.09 = 141,614.86 : x
  2. Step 2: Convert to fraction form
    261,817.50/392,360.09 = 141,614.86/x
  3. Step 3: Cross multiply
    261,817.50x = 392,360.09 × 141,614.86
  4. Step 4: Simplify right side
    261,817.50x = 55,564,018,353.00
  5. Step 5: Solve for x
    x = 55,564,018,353.00/261,817.50
  6. Step 6: Final answer
    x = 212,224.24

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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.