Home / 228,519.28-315,304.41-146,890.18

Finding the Fourth Proportional to 228,519.28, 315,304.41 and 146,890.18

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Solution

The fourth proportional to 228,519.28, 315,304.41 and 146,890.18 is: 202,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,519.28 : 315,304.41 = 146,890.18 : x
  2. Step 2: Convert to fraction form
    228,519.28/315,304.41 = 146,890.18/x
  3. Step 3: Cross multiply
    228,519.28x = 315,304.41 × 146,890.18
  4. Step 4: Simplify right side
    228,519.28x = 46,315,121,539.69
  5. Step 5: Solve for x
    x = 46,315,121,539.69/228,519.28
  6. Step 6: Final answer
    x = 202,674.90

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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.