Home / 450,711.60-621,982.20-246,775.50

Finding the Fourth Proportional to 450,711.60, 621,982.20 and 246,775.50

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Solution

The fourth proportional to 450,711.60, 621,982.20 and 246,775.50 is: 340,550.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,711.60 : 621,982.20 = 246,775.50 : x
  2. Step 2: Convert to fraction form
    450,711.60/621,982.20 = 246,775.50/x
  3. Step 3: Cross multiply
    450,711.60x = 621,982.20 × 246,775.50
  4. Step 4: Simplify right side
    450,711.60x = 153,489,968,396.10
  5. Step 5: Solve for x
    x = 153,489,968,396.10/450,711.60
  6. Step 6: Final answer
    x = 340,550.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.