Home / 370,684.52-511,545.18-200,918.60

Finding the Fourth Proportional to 370,684.52, 511,545.18 and 200,918.60

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Solution

The fourth proportional to 370,684.52, 511,545.18 and 200,918.60 is: 277,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,684.52 : 511,545.18 = 200,918.60 : x
  2. Step 2: Convert to fraction form
    370,684.52/511,545.18 = 200,918.60/x
  3. Step 3: Cross multiply
    370,684.52x = 511,545.18 × 200,918.60
  4. Step 4: Simplify right side
    370,684.52x = 102,778,941,402.35
  5. Step 5: Solve for x
    x = 102,778,941,402.35/370,684.52
  6. Step 6: Final answer
    x = 277,267.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.