Home / 344,952.07-517,428.20-155,190.80

Finding the Fourth Proportional to 344,952.07, 517,428.20 and 155,190.80

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Solution

The fourth proportional to 344,952.07, 517,428.20 and 155,190.80 is: 232,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,952.07 : 517,428.20 = 155,190.80 : x
  2. Step 2: Convert to fraction form
    344,952.07/517,428.20 = 155,190.80/x
  3. Step 3: Cross multiply
    344,952.07x = 517,428.20 × 155,190.80
  4. Step 4: Simplify right side
    344,952.07x = 80,300,097,982.11
  5. Step 5: Solve for x
    x = 80,300,097,982.11/344,952.07
  6. Step 6: Final answer
    x = 232,786.25

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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.