Home / 513,657.18-770,470.38-198,182.16

Finding the Fourth Proportional to 513,657.18, 770,470.38 and 198,182.16

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Solution

The fourth proportional to 513,657.18, 770,470.38 and 198,182.16 is: 297,267.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,657.18 : 770,470.38 = 198,182.16 : x
  2. Step 2: Convert to fraction form
    513,657.18/770,470.38 = 198,182.16/x
  3. Step 3: Cross multiply
    513,657.18x = 770,470.38 × 198,182.16
  4. Step 4: Simplify right side
    513,657.18x = 152,693,484,124.42
  5. Step 5: Solve for x
    x = 152,693,484,124.42/513,657.18
  6. Step 6: Final answer
    x = 297,267.30

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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.