Home / 281,025.26-387,805.27-160,205.50

Finding the Fourth Proportional to 281,025.26, 387,805.27 and 160,205.50

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Solution

The fourth proportional to 281,025.26, 387,805.27 and 160,205.50 is: 221,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,025.26 : 387,805.27 = 160,205.50 : x
  2. Step 2: Convert to fraction form
    281,025.26/387,805.27 = 160,205.50/x
  3. Step 3: Cross multiply
    281,025.26x = 387,805.27 × 160,205.50
  4. Step 4: Simplify right side
    281,025.26x = 62,128,535,386.21
  5. Step 5: Solve for x
    x = 62,128,535,386.21/281,025.26
  6. Step 6: Final answer
    x = 221,078.11

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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.