Home / 355,033.17-489,943.28-193,888.26

Finding the Fourth Proportional to 355,033.17, 489,943.28 and 193,888.26

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Solution

The fourth proportional to 355,033.17, 489,943.28 and 193,888.26 is: 267,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,033.17 : 489,943.28 = 193,888.26 : x
  2. Step 2: Convert to fraction form
    355,033.17/489,943.28 = 193,888.26/x
  3. Step 3: Cross multiply
    355,033.17x = 489,943.28 × 193,888.26
  4. Step 4: Simplify right side
    355,033.17x = 94,994,250,542.61
  5. Step 5: Solve for x
    x = 94,994,250,542.61/355,033.17
  6. Step 6: Final answer
    x = 267,564.44

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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.