Home / 268,635.62-370,676.04-155,436.50

Finding the Fourth Proportional to 268,635.62, 370,676.04 and 155,436.50

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Solution

The fourth proportional to 268,635.62, 370,676.04 and 155,436.50 is: 214,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,635.62 : 370,676.04 = 155,436.50 : x
  2. Step 2: Convert to fraction form
    268,635.62/370,676.04 = 155,436.50/x
  3. Step 3: Cross multiply
    268,635.62x = 370,676.04 × 155,436.50
  4. Step 4: Simplify right side
    268,635.62x = 57,616,586,291.46
  5. Step 5: Solve for x
    x = 57,616,586,291.46/268,635.62
  6. Step 6: Final answer
    x = 214,478.58

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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.