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Finding the Fourth Proportional to 513,628.96, 770,161.20 and 158,545.12

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Solution

The fourth proportional to 513,628.96, 770,161.20 and 158,545.12 is: 237,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,628.96 : 770,161.20 = 158,545.12 : x
  2. Step 2: Convert to fraction form
    513,628.96/770,161.20 = 158,545.12/x
  3. Step 3: Cross multiply
    513,628.96x = 770,161.20 × 158,545.12
  4. Step 4: Simplify right side
    513,628.96x = 122,105,299,873.34
  5. Step 5: Solve for x
    x = 122,105,299,873.34/513,628.96
  6. Step 6: Final answer
    x = 237,730.56

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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.