Home / 315,034.14-434,758.02-179,073.78

Finding the Fourth Proportional to 315,034.14, 434,758.02 and 179,073.78

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Solution

The fourth proportional to 315,034.14, 434,758.02 and 179,073.78 is: 247,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,034.14 : 434,758.02 = 179,073.78 : x
  2. Step 2: Convert to fraction form
    315,034.14/434,758.02 = 179,073.78/x
  3. Step 3: Cross multiply
    315,034.14x = 434,758.02 × 179,073.78
  4. Step 4: Simplify right side
    315,034.14x = 77,853,762,026.72
  5. Step 5: Solve for x
    x = 77,853,762,026.72/315,034.14
  6. Step 6: Final answer
    x = 247,128.02

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1.5x scale

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.