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Finding the Fourth Proportional to 388,224.36, 536,041.44 and 382,024.20

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Solution

The fourth proportional to 388,224.36, 536,041.44 and 382,024.20 is: 527,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,224.36 : 536,041.44 = 382,024.20 : x
  2. Step 2: Convert to fraction form
    388,224.36/536,041.44 = 382,024.20/x
  3. Step 3: Cross multiply
    388,224.36x = 536,041.44 × 382,024.20
  4. Step 4: Simplify right side
    388,224.36x = 204,780,802,282.85
  5. Step 5: Solve for x
    x = 204,780,802,282.85/388,224.36
  6. Step 6: Final answer
    x = 527,480.56

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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.