Home / 289,534.50-399,574.01-162,251.10

Finding the Fourth Proportional to 289,534.50, 399,574.01 and 162,251.10

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Solution

The fourth proportional to 289,534.50, 399,574.01 and 162,251.10 is: 223,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,534.50 : 399,574.01 = 162,251.10 : x
  2. Step 2: Convert to fraction form
    289,534.50/399,574.01 = 162,251.10/x
  3. Step 3: Cross multiply
    289,534.50x = 399,574.01 × 162,251.10
  4. Step 4: Simplify right side
    289,534.50x = 64,831,323,059.54
  5. Step 5: Solve for x
    x = 64,831,323,059.54/289,534.50
  6. Step 6: Final answer
    x = 223,915.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.