Home / 247,331.80-370,560.30-209,715.40

Finding the Fourth Proportional to 247,331.80, 370,560.30 and 209,715.40

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Solution

The fourth proportional to 247,331.80, 370,560.30 and 209,715.40 is: 314,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,331.80 : 370,560.30 = 209,715.40 : x
  2. Step 2: Convert to fraction form
    247,331.80/370,560.30 = 209,715.40/x
  3. Step 3: Cross multiply
    247,331.80x = 370,560.30 × 209,715.40
  4. Step 4: Simplify right side
    247,331.80x = 77,712,201,538.62
  5. Step 5: Solve for x
    x = 77,712,201,538.62/247,331.80
  6. Step 6: Final answer
    x = 314,202.22

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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.