Home / 261,837.90-392,756.85-155,549.70

Finding the Fourth Proportional to 261,837.90, 392,756.85 and 155,549.70

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Solution

The fourth proportional to 261,837.90, 392,756.85 and 155,549.70 is: 233,324.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,837.90 : 392,756.85 = 155,549.70 : x
  2. Step 2: Convert to fraction form
    261,837.90/392,756.85 = 155,549.70/x
  3. Step 3: Cross multiply
    261,837.90x = 392,756.85 × 155,549.70
  4. Step 4: Simplify right side
    261,837.90x = 61,093,210,190.45
  5. Step 5: Solve for x
    x = 61,093,210,190.45/261,837.90
  6. Step 6: Final answer
    x = 233,324.55

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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.