Home / 281,265.44-388,147.32-152,203.90

Finding the Fourth Proportional to 281,265.44, 388,147.32 and 152,203.90

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Solution

The fourth proportional to 281,265.44, 388,147.32 and 152,203.90 is: 210,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,265.44 : 388,147.32 = 152,203.90 : x
  2. Step 2: Convert to fraction form
    281,265.44/388,147.32 = 152,203.90/x
  3. Step 3: Cross multiply
    281,265.44x = 388,147.32 × 152,203.90
  4. Step 4: Simplify right side
    281,265.44x = 59,077,534,508.58
  5. Step 5: Solve for x
    x = 59,077,534,508.58/281,265.44
  6. Step 6: Final answer
    x = 210,041.93

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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.