Home / 347,416.48-520,742.40-227,329.12

Finding the Fourth Proportional to 347,416.48, 520,742.40 and 227,329.12

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Solution

The fourth proportional to 347,416.48, 520,742.40 and 227,329.12 is: 340,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,416.48 : 520,742.40 = 227,329.12 : x
  2. Step 2: Convert to fraction form
    347,416.48/520,742.40 = 227,329.12/x
  3. Step 3: Cross multiply
    347,416.48x = 520,742.40 × 227,329.12
  4. Step 4: Simplify right side
    347,416.48x = 118,379,911,538.69
  5. Step 5: Solve for x
    x = 118,379,911,538.69/347,416.48
  6. Step 6: Final answer
    x = 340,743.51

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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.