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Finding the Fourth Proportional to 360,028.38, 540,040.62 and 146,795.46

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Solution

The fourth proportional to 360,028.38, 540,040.62 and 146,795.46 is: 220,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,028.38 : 540,040.62 = 146,795.46 : x
  2. Step 2: Convert to fraction form
    360,028.38/540,040.62 = 146,795.46/x
  3. Step 3: Cross multiply
    360,028.38x = 540,040.62 × 146,795.46
  4. Step 4: Simplify right side
    360,028.38x = 79,275,513,487.78
  5. Step 5: Solve for x
    x = 79,275,513,487.78/360,028.38
  6. Step 6: Final answer
    x = 220,192.40

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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.