Home / 553,219.20-829,828.80-179,242.20

Finding the Fourth Proportional to 553,219.20, 829,828.80 and 179,242.20

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Solution

The fourth proportional to 553,219.20, 829,828.80 and 179,242.20 is: 268,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,219.20 : 829,828.80 = 179,242.20 : x
  2. Step 2: Convert to fraction form
    553,219.20/829,828.80 = 179,242.20/x
  3. Step 3: Cross multiply
    553,219.20x = 829,828.80 × 179,242.20
  4. Step 4: Simplify right side
    553,219.20x = 148,740,339,735.36
  5. Step 5: Solve for x
    x = 148,740,339,735.36/553,219.20
  6. Step 6: Final answer
    x = 268,863.30

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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.