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Finding the Fourth Proportional to 360,086.36, 540,244.93 and 252,128.18

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Solution

The fourth proportional to 360,086.36, 540,244.93 and 252,128.18 is: 378,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,086.36 : 540,244.93 = 252,128.18 : x
  2. Step 2: Convert to fraction form
    360,086.36/540,244.93 = 252,128.18/x
  3. Step 3: Cross multiply
    360,086.36x = 540,244.93 × 252,128.18
  4. Step 4: Simplify right side
    360,086.36x = 136,210,971,033.89
  5. Step 5: Solve for x
    x = 136,210,971,033.89/360,086.36
  6. Step 6: Final answer
    x = 378,273.06

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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.