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Finding the Fourth Proportional to 281,266.73, 388,146.69 and 152,205.11

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Solution

The fourth proportional to 281,266.73, 388,146.69 and 152,205.11 is: 210,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,266.73 : 388,146.69 = 152,205.11 : x
  2. Step 2: Convert to fraction form
    281,266.73/388,146.69 = 152,205.11/x
  3. Step 3: Cross multiply
    281,266.73x = 388,146.69 × 152,205.11
  4. Step 4: Simplify right side
    281,266.73x = 59,077,909,647.59
  5. Step 5: Solve for x
    x = 59,077,909,647.59/281,266.73
  6. Step 6: Final answer
    x = 210,042.30

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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.