Home / 281,445.13-388,386.75-160,584.22

Finding the Fourth Proportional to 281,445.13, 388,386.75 and 160,584.22

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Solution

The fourth proportional to 281,445.13, 388,386.75 and 160,584.22 is: 221,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,445.13 : 388,386.75 = 160,584.22 : x
  2. Step 2: Convert to fraction form
    281,445.13/388,386.75 = 160,584.22/x
  3. Step 3: Cross multiply
    281,445.13x = 388,386.75 × 160,584.22
  4. Step 4: Simplify right side
    281,445.13x = 62,368,783,307.09
  5. Step 5: Solve for x
    x = 62,368,783,307.09/281,445.13
  6. Step 6: Final answer
    x = 221,601.93

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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.