Home / 231,731.10-347,983.02-156,315.51

Finding the Fourth Proportional to 231,731.10, 347,983.02 and 156,315.51

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Solution

The fourth proportional to 231,731.10, 347,983.02 and 156,315.51 is: 234,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,731.10 : 347,983.02 = 156,315.51 : x
  2. Step 2: Convert to fraction form
    231,731.10/347,983.02 = 156,315.51/x
  3. Step 3: Cross multiply
    231,731.10x = 347,983.02 × 156,315.51
  4. Step 4: Simplify right side
    231,731.10x = 54,395,143,242.64
  5. Step 5: Solve for x
    x = 54,395,143,242.64/231,731.10
  6. Step 6: Final answer
    x = 234,733.89

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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.