Home / 281,965.16-389,112.77-152,903.54

Finding the Fourth Proportional to 281,965.16, 389,112.77 and 152,903.54

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Solution

The fourth proportional to 281,965.16, 389,112.77 and 152,903.54 is: 211,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,965.16 : 389,112.77 = 152,903.54 : x
  2. Step 2: Convert to fraction form
    281,965.16/389,112.77 = 152,903.54/x
  3. Step 3: Cross multiply
    281,965.16x = 389,112.77 × 152,903.54
  4. Step 4: Simplify right side
    281,965.16x = 59,496,719,992.21
  5. Step 5: Solve for x
    x = 59,496,719,992.21/281,965.16
  6. Step 6: Final answer
    x = 211,007.35

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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.