Home / 247,352.19-371,082.72-140,786.28

Finding the Fourth Proportional to 247,352.19, 371,082.72 and 140,786.28

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Solution

The fourth proportional to 247,352.19, 371,082.72 and 140,786.28 is: 211,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,352.19 : 371,082.72 = 140,786.28 : x
  2. Step 2: Convert to fraction form
    247,352.19/371,082.72 = 140,786.28/x
  3. Step 3: Cross multiply
    247,352.19x = 371,082.72 × 140,786.28
  4. Step 4: Simplify right side
    247,352.19x = 52,243,355,721.08
  5. Step 5: Solve for x
    x = 52,243,355,721.08/247,352.19
  6. Step 6: Final answer
    x = 211,210.40

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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.