Home / 229,123.40-343,685.10-162,638.60

Finding the Fourth Proportional to 229,123.40, 343,685.10 and 162,638.60

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Solution

The fourth proportional to 229,123.40, 343,685.10 and 162,638.60 is: 243,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,123.40 : 343,685.10 = 162,638.60 : x
  2. Step 2: Convert to fraction form
    229,123.40/343,685.10 = 162,638.60/x
  3. Step 3: Cross multiply
    229,123.40x = 343,685.10 × 162,638.60
  4. Step 4: Simplify right side
    229,123.40x = 55,896,463,504.86
  5. Step 5: Solve for x
    x = 55,896,463,504.86/229,123.40
  6. Step 6: Final answer
    x = 243,957.90

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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.