Home / 295,135.22-442,787.88-145,420.50

Finding the Fourth Proportional to 295,135.22, 442,787.88 and 145,420.50

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Solution

The fourth proportional to 295,135.22, 442,787.88 and 145,420.50 is: 218,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,135.22 : 442,787.88 = 145,420.50 : x
  2. Step 2: Convert to fraction form
    295,135.22/442,787.88 = 145,420.50/x
  3. Step 3: Cross multiply
    295,135.22x = 442,787.88 × 145,420.50
  4. Step 4: Simplify right side
    295,135.22x = 64,390,434,903.54
  5. Step 5: Solve for x
    x = 64,390,434,903.54/295,135.22
  6. Step 6: Final answer
    x = 218,172.66

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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.