Home / 354,547.13-489,266.73-193,403.43

Finding the Fourth Proportional to 354,547.13, 489,266.73 and 193,403.43

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Solution

The fourth proportional to 354,547.13, 489,266.73 and 193,403.43 is: 266,892.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,547.13 : 489,266.73 = 193,403.43 : x
  2. Step 2: Convert to fraction form
    354,547.13/489,266.73 = 193,403.43/x
  3. Step 3: Cross multiply
    354,547.13x = 489,266.73 × 193,403.43
  4. Step 4: Simplify right side
    354,547.13x = 94,625,863,766.88
  5. Step 5: Solve for x
    x = 94,625,863,766.88/354,547.13
  6. Step 6: Final answer
    x = 266,892.20

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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.