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Finding the Fourth Proportional to 342,051.72, 513,086.40 and 162,094.92

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Solution

The fourth proportional to 342,051.72, 513,086.40 and 162,094.92 is: 243,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,051.72 : 513,086.40 = 162,094.92 : x
  2. Step 2: Convert to fraction form
    342,051.72/513,086.40 = 162,094.92/x
  3. Step 3: Cross multiply
    342,051.72x = 513,086.40 × 162,094.92
  4. Step 4: Simplify right side
    342,051.72x = 83,168,698,961.09
  5. Step 5: Solve for x
    x = 83,168,698,961.09/342,051.72
  6. Step 6: Final answer
    x = 243,146.56

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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.