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Finding the Fourth Proportional to 342,210.08, 513,402.72 and 142,464.08

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Solution

The fourth proportional to 342,210.08, 513,402.72 and 142,464.08 is: 213,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,210.08 : 513,402.72 = 142,464.08 : x
  2. Step 2: Convert to fraction form
    342,210.08/513,402.72 = 142,464.08/x
  3. Step 3: Cross multiply
    342,210.08x = 513,402.72 × 142,464.08
  4. Step 4: Simplify right side
    342,210.08x = 73,141,446,174.30
  5. Step 5: Solve for x
    x = 73,141,446,174.30/342,210.08
  6. Step 6: Final answer
    x = 213,732.59

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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.