Home / 272,939.72-376,651.77-152,078.40

Finding the Fourth Proportional to 272,939.72, 376,651.77 and 152,078.40

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Solution

The fourth proportional to 272,939.72, 376,651.77 and 152,078.40 is: 209,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,939.72 : 376,651.77 = 152,078.40 : x
  2. Step 2: Convert to fraction form
    272,939.72/376,651.77 = 152,078.40/x
  3. Step 3: Cross multiply
    272,939.72x = 376,651.77 × 152,078.40
  4. Step 4: Simplify right side
    272,939.72x = 57,280,598,538.77
  5. Step 5: Solve for x
    x = 57,280,598,538.77/272,939.72
  6. Step 6: Final answer
    x = 209,865.39

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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.