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Finding the Fourth Proportional to 480,281.61, 720,422.41 and 180,829.37

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Solution

The fourth proportional to 480,281.61, 720,422.41 and 180,829.37 is: 271,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,281.61 : 720,422.41 = 180,829.37 : x
  2. Step 2: Convert to fraction form
    480,281.61/720,422.41 = 180,829.37/x
  3. Step 3: Cross multiply
    480,281.61x = 720,422.41 × 180,829.37
  4. Step 4: Simplify right side
    480,281.61x = 130,273,526,480.00
  5. Step 5: Solve for x
    x = 130,273,526,480.00/480,281.61
  6. Step 6: Final answer
    x = 271,244.04

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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.