Home / 268,389.17-370,377.81-153,669.56

Finding the Fourth Proportional to 268,389.17, 370,377.81 and 153,669.56

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Solution

The fourth proportional to 268,389.17, 370,377.81 and 153,669.56 is: 212,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,389.17 : 370,377.81 = 153,669.56 : x
  2. Step 2: Convert to fraction form
    268,389.17/370,377.81 = 153,669.56/x
  3. Step 3: Cross multiply
    268,389.17x = 370,377.81 × 153,669.56
  4. Step 4: Simplify right side
    268,389.17x = 56,915,793,244.57
  5. Step 5: Solve for x
    x = 56,915,793,244.57/268,389.17
  6. Step 6: Final answer
    x = 212,064.42

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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.