Home / 354,962.29-489,848.99-193,818.73

Finding the Fourth Proportional to 354,962.29, 489,848.99 and 193,818.73

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Solution

The fourth proportional to 354,962.29, 489,848.99 and 193,818.73 is: 267,470.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,962.29 : 489,848.99 = 193,818.73 : x
  2. Step 2: Convert to fraction form
    354,962.29/489,848.99 = 193,818.73/x
  3. Step 3: Cross multiply
    354,962.29x = 489,848.99 × 193,818.73
  4. Step 4: Simplify right side
    354,962.29x = 94,941,908,164.49
  5. Step 5: Solve for x
    x = 94,941,908,164.49/354,962.29
  6. Step 6: Final answer
    x = 267,470.41

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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.