Home / 281,433.42-388,370.60-160,572.51

Finding the Fourth Proportional to 281,433.42, 388,370.60 and 160,572.51

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Solution

The fourth proportional to 281,433.42, 388,370.60 and 160,572.51 is: 221,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,433.42 : 388,370.60 = 160,572.51 : x
  2. Step 2: Convert to fraction form
    281,433.42/388,370.60 = 160,572.51/x
  3. Step 3: Cross multiply
    281,433.42x = 388,370.60 × 160,572.51
  4. Step 4: Simplify right side
    281,433.42x = 62,361,641,851.49
  5. Step 5: Solve for x
    x = 62,361,641,851.49/281,433.42
  6. Step 6: Final answer
    x = 221,585.77

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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.