Home / 373,204.04-515,002.20-212,036.72

Finding the Fourth Proportional to 373,204.04, 515,002.20 and 212,036.72

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Solution

The fourth proportional to 373,204.04, 515,002.20 and 212,036.72 is: 292,599.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,204.04 : 515,002.20 = 212,036.72 : x
  2. Step 2: Convert to fraction form
    373,204.04/515,002.20 = 212,036.72/x
  3. Step 3: Cross multiply
    373,204.04x = 515,002.20 × 212,036.72
  4. Step 4: Simplify right side
    373,204.04x = 109,199,377,280.78
  5. Step 5: Solve for x
    x = 109,199,377,280.78/373,204.04
  6. Step 6: Final answer
    x = 292,599.67

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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.