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Finding the Fourth Proportional to 281,575.83, 388,602.51 and 160,735.28

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Solution

The fourth proportional to 281,575.83, 388,602.51 and 160,735.28 is: 221,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,575.83 : 388,602.51 = 160,735.28 : x
  2. Step 2: Convert to fraction form
    281,575.83/388,602.51 = 160,735.28/x
  3. Step 3: Cross multiply
    281,575.83x = 388,602.51 × 160,735.28
  4. Step 4: Simplify right side
    281,575.83x = 62,462,131,310.54
  5. Step 5: Solve for x
    x = 62,462,131,310.54/281,575.83
  6. Step 6: Final answer
    x = 221,830.59

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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.