Home / 354,947.96-489,824.48-193,802.52

Finding the Fourth Proportional to 354,947.96, 489,824.48 and 193,802.52

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Solution

The fourth proportional to 354,947.96, 489,824.48 and 193,802.52 is: 267,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,947.96 : 489,824.48 = 193,802.52 : x
  2. Step 2: Convert to fraction form
    354,947.96/489,824.48 = 193,802.52/x
  3. Step 3: Cross multiply
    354,947.96x = 489,824.48 × 193,802.52
  4. Step 4: Simplify right side
    354,947.96x = 94,929,218,581.69
  5. Step 5: Solve for x
    x = 94,929,218,581.69/354,947.96
  6. Step 6: Final answer
    x = 267,445.45

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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.