Home / 451,428.49-676,945.86-170,748.91

Finding the Fourth Proportional to 451,428.49, 676,945.86 and 170,748.91

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Solution

The fourth proportional to 451,428.49, 676,945.86 and 170,748.91 is: 256,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,428.49 : 676,945.86 = 170,748.91 : x
  2. Step 2: Convert to fraction form
    451,428.49/676,945.86 = 170,748.91/x
  3. Step 3: Cross multiply
    451,428.49x = 676,945.86 × 170,748.91
  4. Step 4: Simplify right side
    451,428.49x = 115,587,767,724.01
  5. Step 5: Solve for x
    x = 115,587,767,724.01/451,428.49
  6. Step 6: Final answer
    x = 256,048.90

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1.5x scale

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.