Home / 231,629.10-347,443.65-163,977.90

Finding the Fourth Proportional to 231,629.10, 347,443.65 and 163,977.90

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Solution

The fourth proportional to 231,629.10, 347,443.65 and 163,977.90 is: 245,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,629.10 : 347,443.65 = 163,977.90 : x
  2. Step 2: Convert to fraction form
    231,629.10/347,443.65 = 163,977.90/x
  3. Step 3: Cross multiply
    231,629.10x = 347,443.65 × 163,977.90
  4. Step 4: Simplify right side
    231,629.10x = 56,973,080,095.34
  5. Step 5: Solve for x
    x = 56,973,080,095.34/231,629.10
  6. Step 6: Final answer
    x = 245,966.85

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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.