Home / 277,500.81-382,631.89-205,008.60

Finding the Fourth Proportional to 277,500.81, 382,631.89 and 205,008.60

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Solution

The fourth proportional to 277,500.81, 382,631.89 and 205,008.60 is: 282,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,500.81 : 382,631.89 = 205,008.60 : x
  2. Step 2: Convert to fraction form
    277,500.81/382,631.89 = 205,008.60/x
  3. Step 3: Cross multiply
    277,500.81x = 382,631.89 × 205,008.60
  4. Step 4: Simplify right side
    277,500.81x = 78,442,828,084.25
  5. Step 5: Solve for x
    x = 78,442,828,084.25/277,500.81
  6. Step 6: Final answer
    x = 282,676.03

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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.