Home / 382,071.61-527,270.67-209,986.46

Finding the Fourth Proportional to 382,071.61, 527,270.67 and 209,986.46

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Solution

The fourth proportional to 382,071.61, 527,270.67 and 209,986.46 is: 289,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,071.61 : 527,270.67 = 209,986.46 : x
  2. Step 2: Convert to fraction form
    382,071.61/527,270.67 = 209,986.46/x
  3. Step 3: Cross multiply
    382,071.61x = 527,270.67 × 209,986.46
  4. Step 4: Simplify right side
    382,071.61x = 110,719,701,455.13
  5. Step 5: Solve for x
    x = 110,719,701,455.13/382,071.61
  6. Step 6: Final answer
    x = 289,787.83

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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.