Home / 281,370.24-388,254.78-160,504.32

Finding the Fourth Proportional to 281,370.24, 388,254.78 and 160,504.32

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Solution

The fourth proportional to 281,370.24, 388,254.78 and 160,504.32 is: 221,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,370.24 : 388,254.78 = 160,504.32 : x
  2. Step 2: Convert to fraction form
    281,370.24/388,254.78 = 160,504.32/x
  3. Step 3: Cross multiply
    281,370.24x = 388,254.78 × 160,504.32
  4. Step 4: Simplify right side
    281,370.24x = 62,316,569,450.65
  5. Step 5: Solve for x
    x = 62,316,569,450.65/281,370.24
  6. Step 6: Final answer
    x = 221,475.34

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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.