Home / 347,086.48-520,257.12-147,238.24

Finding the Fourth Proportional to 347,086.48, 520,257.12 and 147,238.24

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Solution

The fourth proportional to 347,086.48, 520,257.12 and 147,238.24 is: 220,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,086.48 : 520,257.12 = 147,238.24 : x
  2. Step 2: Convert to fraction form
    347,086.48/520,257.12 = 147,238.24/x
  3. Step 3: Cross multiply
    347,086.48x = 520,257.12 × 147,238.24
  4. Step 4: Simplify right side
    347,086.48x = 76,601,742,696.27
  5. Step 5: Solve for x
    x = 76,601,742,696.27/347,086.48
  6. Step 6: Final answer
    x = 220,699.30

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1.5x scale

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.