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Finding the Fourth Proportional to 281,799, 388,922.40 and 174,403.62

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Solution

The fourth proportional to 281,799, 388,922.40 and 174,403.62 is: 240,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,799 : 388,922.40 = 174,403.62 : x
  2. Step 2: Convert to fraction form
    281,799/388,922.40 = 174,403.62/x
  3. Step 3: Cross multiply
    281,799x = 388,922.40 × 174,403.62
  4. Step 4: Simplify right side
    281,799x = 67,829,474,459.09
  5. Step 5: Solve for x
    x = 67,829,474,459.09/281,799
  6. Step 6: Final answer
    x = 240,701.62

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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.