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Finding the Fourth Proportional to 342,499.20, 513,749.52 and 184,801.92

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Solution

The fourth proportional to 342,499.20, 513,749.52 and 184,801.92 is: 277,203.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,499.20 : 513,749.52 = 184,801.92 : x
  2. Step 2: Convert to fraction form
    342,499.20/513,749.52 = 184,801.92/x
  3. Step 3: Cross multiply
    342,499.20x = 513,749.52 × 184,801.92
  4. Step 4: Simplify right side
    342,499.20x = 94,941,897,695.08
  5. Step 5: Solve for x
    x = 94,941,897,695.08/342,499.20
  6. Step 6: Final answer
    x = 277,203.27

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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.