Home / 305,664.66-458,436.18-153,821.22

Finding the Fourth Proportional to 305,664.66, 458,436.18 and 153,821.22

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Solution

The fourth proportional to 305,664.66, 458,436.18 and 153,821.22 is: 230,701.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,664.66 : 458,436.18 = 153,821.22 : x
  2. Step 2: Convert to fraction form
    305,664.66/458,436.18 = 153,821.22/x
  3. Step 3: Cross multiply
    305,664.66x = 458,436.18 × 153,821.22
  4. Step 4: Simplify right side
    305,664.66x = 70,517,212,499.74
  5. Step 5: Solve for x
    x = 70,517,212,499.74/305,664.66
  6. Step 6: Final answer
    x = 230,701.23

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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.