Home / 292,403.10-438,604.65-187,427.10

Finding the Fourth Proportional to 292,403.10, 438,604.65 and 187,427.10

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Solution

The fourth proportional to 292,403.10, 438,604.65 and 187,427.10 is: 281,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,403.10 : 438,604.65 = 187,427.10 : x
  2. Step 2: Convert to fraction form
    292,403.10/438,604.65 = 187,427.10/x
  3. Step 3: Cross multiply
    292,403.10x = 438,604.65 × 187,427.10
  4. Step 4: Simplify right side
    292,403.10x = 82,206,397,596.02
  5. Step 5: Solve for x
    x = 82,206,397,596.02/292,403.10
  6. Step 6: Final answer
    x = 281,140.65

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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.