Home / 354,951.03-489,828.69-193,805.58

Finding the Fourth Proportional to 354,951.03, 489,828.69 and 193,805.58

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Solution

The fourth proportional to 354,951.03, 489,828.69 and 193,805.58 is: 267,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,951.03 : 489,828.69 = 193,805.58 : x
  2. Step 2: Convert to fraction form
    354,951.03/489,828.69 = 193,805.58/x
  3. Step 3: Cross multiply
    354,951.03x = 489,828.69 × 193,805.58
  4. Step 4: Simplify right side
    354,951.03x = 94,931,533,366.09
  5. Step 5: Solve for x
    x = 94,931,533,366.09/354,951.03
  6. Step 6: Final answer
    x = 267,449.66

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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.