Home / 268,389.03-370,377.63-153,669.43

Finding the Fourth Proportional to 268,389.03, 370,377.63 and 153,669.43

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Solution

The fourth proportional to 268,389.03, 370,377.63 and 153,669.43 is: 212,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,389.03 : 370,377.63 = 153,669.43 : x
  2. Step 2: Convert to fraction form
    268,389.03/370,377.63 = 153,669.43/x
  3. Step 3: Cross multiply
    268,389.03x = 370,377.63 × 153,669.43
  4. Step 4: Simplify right side
    268,389.03x = 56,915,719,286.85
  5. Step 5: Solve for x
    x = 56,915,719,286.85/268,389.03
  6. Step 6: Final answer
    x = 212,064.25

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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.