Home / 261,735.12-391,827.65-161,573.27

Finding the Fourth Proportional to 261,735.12, 391,827.65 and 161,573.27

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Solution

The fourth proportional to 261,735.12, 391,827.65 and 161,573.27 is: 241,881.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,735.12 : 391,827.65 = 161,573.27 : x
  2. Step 2: Convert to fraction form
    261,735.12/391,827.65 = 161,573.27/x
  3. Step 3: Cross multiply
    261,735.12x = 391,827.65 × 161,573.27
  4. Step 4: Simplify right side
    261,735.12x = 63,308,871,919.91
  5. Step 5: Solve for x
    x = 63,308,871,919.91/261,735.12
  6. Step 6: Final answer
    x = 241,881.46

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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.