Home / 231,475.02-347,124.44-81,687.40

Finding the Fourth Proportional to 231,475.02, 347,124.44 and 81,687.40

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Solution

The fourth proportional to 231,475.02, 347,124.44 and 81,687.40 is: 122,500.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,475.02 : 347,124.44 = 81,687.40 : x
  2. Step 2: Convert to fraction form
    231,475.02/347,124.44 = 81,687.40/x
  3. Step 3: Cross multiply
    231,475.02x = 347,124.44 × 81,687.40
  4. Step 4: Simplify right side
    231,475.02x = 28,355,692,980.06
  5. Step 5: Solve for x
    x = 28,355,692,980.06/231,475.02
  6. Step 6: Final answer
    x = 122,500.01

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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.