Home / 349,943.28-524,505.18-133,660.20

Finding the Fourth Proportional to 349,943.28, 524,505.18 and 133,660.20

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Solution

The fourth proportional to 349,943.28, 524,505.18 and 133,660.20 is: 200,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,943.28 : 524,505.18 = 133,660.20 : x
  2. Step 2: Convert to fraction form
    349,943.28/524,505.18 = 133,660.20/x
  3. Step 3: Cross multiply
    349,943.28x = 524,505.18 × 133,660.20
  4. Step 4: Simplify right side
    349,943.28x = 70,105,467,259.84
  5. Step 5: Solve for x
    x = 70,105,467,259.84/349,943.28
  6. Step 6: Final answer
    x = 200,333.80

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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.