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Finding the Fourth Proportional to 245,061.60, 367,615.11 and 95,313.16

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Solution

The fourth proportional to 245,061.60, 367,615.11 and 95,313.16 is: 142,978.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,061.60 : 367,615.11 = 95,313.16 : x
  2. Step 2: Convert to fraction form
    245,061.60/367,615.11 = 95,313.16/x
  3. Step 3: Cross multiply
    245,061.60x = 367,615.11 × 95,313.16
  4. Step 4: Simplify right side
    245,061.60x = 35,038,556,010.82
  5. Step 5: Solve for x
    x = 35,038,556,010.82/245,061.60
  6. Step 6: Final answer
    x = 142,978.56

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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.