Home / 275,014.04-379,536.90-154,155.35

Finding the Fourth Proportional to 275,014.04, 379,536.90 and 154,155.35

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Solution

The fourth proportional to 275,014.04, 379,536.90 and 154,155.35 is: 212,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,014.04 : 379,536.90 = 154,155.35 : x
  2. Step 2: Convert to fraction form
    275,014.04/379,536.90 = 154,155.35/x
  3. Step 3: Cross multiply
    275,014.04x = 379,536.90 × 154,155.35
  4. Step 4: Simplify right side
    275,014.04x = 58,507,641,759.73
  5. Step 5: Solve for x
    x = 58,507,641,759.73/275,014.04
  6. Step 6: Final answer
    x = 212,744.20

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1.5x scale

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.