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Finding the Fourth Proportional to 277,330.56, 415,995.52 and 90,341.76

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Solution

The fourth proportional to 277,330.56, 415,995.52 and 90,341.76 is: 135,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,330.56 : 415,995.52 = 90,341.76 : x
  2. Step 2: Convert to fraction form
    277,330.56/415,995.52 = 90,341.76/x
  3. Step 3: Cross multiply
    277,330.56x = 415,995.52 × 90,341.76
  4. Step 4: Simplify right side
    277,330.56x = 37,581,767,428.92
  5. Step 5: Solve for x
    x = 37,581,767,428.92/277,330.56
  6. Step 6: Final answer
    x = 135,512.54

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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.