Home / 367,622.90-551,434.35-209,867.30

Finding the Fourth Proportional to 367,622.90, 551,434.35 and 209,867.30

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Solution

The fourth proportional to 367,622.90, 551,434.35 and 209,867.30 is: 314,800.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,622.90 : 551,434.35 = 209,867.30 : x
  2. Step 2: Convert to fraction form
    367,622.90/551,434.35 = 209,867.30/x
  3. Step 3: Cross multiply
    367,622.90x = 551,434.35 × 209,867.30
  4. Step 4: Simplify right side
    367,622.90x = 115,728,038,161.76
  5. Step 5: Solve for x
    x = 115,728,038,161.76/367,622.90
  6. Step 6: Final answer
    x = 314,800.95

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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.