Home / 492,938.04-739,407.18-138,004.34

Finding the Fourth Proportional to 492,938.04, 739,407.18 and 138,004.34

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Solution

The fourth proportional to 492,938.04, 739,407.18 and 138,004.34 is: 207,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,938.04 : 739,407.18 = 138,004.34 : x
  2. Step 2: Convert to fraction form
    492,938.04/739,407.18 = 138,004.34/x
  3. Step 3: Cross multiply
    492,938.04x = 739,407.18 × 138,004.34
  4. Step 4: Simplify right side
    492,938.04x = 102,041,399,867.16
  5. Step 5: Solve for x
    x = 102,041,399,867.16/492,938.04
  6. Step 6: Final answer
    x = 207,006.54

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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.