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Finding the Fourth Proportional to 607,091.85, 910,479.15 and 180,512.82

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Solution

The fourth proportional to 607,091.85, 910,479.15 and 180,512.82 is: 270,722.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,091.85 : 910,479.15 = 180,512.82 : x
  2. Step 2: Convert to fraction form
    607,091.85/910,479.15 = 180,512.82/x
  3. Step 3: Cross multiply
    607,091.85x = 910,479.15 × 180,512.82
  4. Step 4: Simplify right side
    607,091.85x = 164,353,158,917.70
  5. Step 5: Solve for x
    x = 164,353,158,917.70/607,091.85
  6. Step 6: Final answer
    x = 270,722.06

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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.