Home / 230,238.32-345,404.18-72,430.07

Finding the Fourth Proportional to 230,238.32, 345,404.18 and 72,430.07

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Solution

The fourth proportional to 230,238.32, 345,404.18 and 72,430.07 is: 108,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,238.32 : 345,404.18 = 72,430.07 : x
  2. Step 2: Convert to fraction form
    230,238.32/345,404.18 = 72,430.07/x
  3. Step 3: Cross multiply
    230,238.32x = 345,404.18 × 72,430.07
  4. Step 4: Simplify right side
    230,238.32x = 25,017,647,389.75
  5. Step 5: Solve for x
    x = 25,017,647,389.75/230,238.32
  6. Step 6: Final answer
    x = 108,659.79

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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.