Home / 347,078.24-520,697.56-147,405.16

Finding the Fourth Proportional to 347,078.24, 520,697.56 and 147,405.16

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Solution

The fourth proportional to 347,078.24, 520,697.56 and 147,405.16 is: 221,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,078.24 : 520,697.56 = 147,405.16 : x
  2. Step 2: Convert to fraction form
    347,078.24/520,697.56 = 147,405.16/x
  3. Step 3: Cross multiply
    347,078.24x = 520,697.56 × 147,405.16
  4. Step 4: Simplify right side
    347,078.24x = 76,753,507,143.41
  5. Step 5: Solve for x
    x = 76,753,507,143.41/347,078.24
  6. Step 6: Final answer
    x = 221,141.80

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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.