Home / 228,239.32-314,933.52-143,471.20

Finding the Fourth Proportional to 228,239.32, 314,933.52 and 143,471.20

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Solution

The fourth proportional to 228,239.32, 314,933.52 and 143,471.20 is: 197,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,239.32 : 314,933.52 = 143,471.20 : x
  2. Step 2: Convert to fraction form
    228,239.32/314,933.52 = 143,471.20/x
  3. Step 3: Cross multiply
    228,239.32x = 314,933.52 × 143,471.20
  4. Step 4: Simplify right side
    228,239.32x = 45,183,890,034.62
  5. Step 5: Solve for x
    x = 45,183,890,034.62/228,239.32
  6. Step 6: Final answer
    x = 197,967.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.