Home / 367,632.90-551,449.35-209,877.30

Finding the Fourth Proportional to 367,632.90, 551,449.35 and 209,877.30

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Solution

The fourth proportional to 367,632.90, 551,449.35 and 209,877.30 is: 314,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,632.90 : 551,449.35 = 209,877.30 : x
  2. Step 2: Convert to fraction form
    367,632.90/551,449.35 = 209,877.30/x
  3. Step 3: Cross multiply
    367,632.90x = 551,449.35 × 209,877.30
  4. Step 4: Simplify right side
    367,632.90x = 115,736,700,664.76
  5. Step 5: Solve for x
    x = 115,736,700,664.76/367,632.90
  6. Step 6: Final answer
    x = 314,815.95

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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.