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Finding the Fourth Proportional to 295,034.93, 442,552.95 and 126,445.94

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Solution

The fourth proportional to 295,034.93, 442,552.95 and 126,445.94 is: 189,669.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,034.93 : 442,552.95 = 126,445.94 : x
  2. Step 2: Convert to fraction form
    295,034.93/442,552.95 = 126,445.94/x
  3. Step 3: Cross multiply
    295,034.93x = 442,552.95 × 126,445.94
  4. Step 4: Simplify right side
    295,034.93x = 55,959,021,549.76
  5. Step 5: Solve for x
    x = 55,959,021,549.76/295,034.93
  6. Step 6: Final answer
    x = 189,669.14

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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.