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Finding the Fourth Proportional to 268,549.75, 370,599.06 and 155,379.79

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Solution

The fourth proportional to 268,549.75, 370,599.06 and 155,379.79 is: 214,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,549.75 : 370,599.06 = 155,379.79 : x
  2. Step 2: Convert to fraction form
    268,549.75/370,599.06 = 155,379.79/x
  3. Step 3: Cross multiply
    268,549.75x = 370,599.06 × 155,379.79
  4. Step 4: Simplify right side
    268,549.75x = 57,583,604,117.00
  5. Step 5: Solve for x
    x = 57,583,604,117.00/268,549.75
  6. Step 6: Final answer
    x = 214,424.34

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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.