Home / 281,370.03-388,327.62-160,483.62

Finding the Fourth Proportional to 281,370.03, 388,327.62 and 160,483.62

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Solution

The fourth proportional to 281,370.03, 388,327.62 and 160,483.62 is: 221,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,370.03 : 388,327.62 = 160,483.62 : x
  2. Step 2: Convert to fraction form
    281,370.03/388,327.62 = 160,483.62/x
  3. Step 3: Cross multiply
    281,370.03x = 388,327.62 × 160,483.62
  4. Step 4: Simplify right side
    281,370.03x = 62,320,222,203.58
  5. Step 5: Solve for x
    x = 62,320,222,203.58/281,370.03
  6. Step 6: Final answer
    x = 221,488.49

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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.