Home / 326,034.36-489,056.66-148,534.20

Finding the Fourth Proportional to 326,034.36, 489,056.66 and 148,534.20

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Solution

The fourth proportional to 326,034.36, 489,056.66 and 148,534.20 is: 222,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,034.36 : 489,056.66 = 148,534.20 : x
  2. Step 2: Convert to fraction form
    326,034.36/489,056.66 = 148,534.20/x
  3. Step 3: Cross multiply
    326,034.36x = 489,056.66 × 148,534.20
  4. Step 4: Simplify right side
    326,034.36x = 72,641,639,747.77
  5. Step 5: Solve for x
    x = 72,641,639,747.77/326,034.36
  6. Step 6: Final answer
    x = 222,803.63

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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.