Home / 275,905.08-380,923.29-180,572.94

Finding the Fourth Proportional to 275,905.08, 380,923.29 and 180,572.94

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Solution

The fourth proportional to 275,905.08, 380,923.29 and 180,572.94 is: 249,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,905.08 : 380,923.29 = 180,572.94 : x
  2. Step 2: Convert to fraction form
    275,905.08/380,923.29 = 180,572.94/x
  3. Step 3: Cross multiply
    275,905.08x = 380,923.29 × 180,572.94
  4. Step 4: Simplify right side
    275,905.08x = 68,784,438,389.77
  5. Step 5: Solve for x
    x = 68,784,438,389.77/275,905.08
  6. Step 6: Final answer
    x = 249,304.72

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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.