Home / 305,068.96-457,331.20-155,225.44

Finding the Fourth Proportional to 305,068.96, 457,331.20 and 155,225.44

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Solution

The fourth proportional to 305,068.96, 457,331.20 and 155,225.44 is: 232,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,068.96 : 457,331.20 = 155,225.44 : x
  2. Step 2: Convert to fraction form
    305,068.96/457,331.20 = 155,225.44/x
  3. Step 3: Cross multiply
    305,068.96x = 457,331.20 × 155,225.44
  4. Step 4: Simplify right side
    305,068.96x = 70,989,436,745.73
  5. Step 5: Solve for x
    x = 70,989,436,745.73/305,068.96
  6. Step 6: Final answer
    x = 232,699.64

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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.