Home / 489,278.64-733,911.40-134,292.24

Finding the Fourth Proportional to 489,278.64, 733,911.40 and 134,292.24

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Solution

The fourth proportional to 489,278.64, 733,911.40 and 134,292.24 is: 201,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,278.64 : 733,911.40 = 134,292.24 : x
  2. Step 2: Convert to fraction form
    489,278.64/733,911.40 = 134,292.24/x
  3. Step 3: Cross multiply
    489,278.64x = 733,911.40 × 134,292.24
  4. Step 4: Simplify right side
    489,278.64x = 98,558,605,867.54
  5. Step 5: Solve for x
    x = 98,558,605,867.54/489,278.64
  6. Step 6: Final answer
    x = 201,436.56

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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.