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Finding the Fourth Proportional to 369,017.88, 551,504.99 and 269,387.88

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Solution

The fourth proportional to 369,017.88, 551,504.99 and 269,387.88 is: 402,605.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,017.88 : 551,504.99 = 269,387.88 : x
  2. Step 2: Convert to fraction form
    369,017.88/551,504.99 = 269,387.88/x
  3. Step 3: Cross multiply
    369,017.88x = 551,504.99 × 269,387.88
  4. Step 4: Simplify right side
    369,017.88x = 148,568,758,718.58
  5. Step 5: Solve for x
    x = 148,568,758,718.58/369,017.88
  6. Step 6: Final answer
    x = 402,605.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.