Home / 272,939.61-376,651.64-152,078.29

Finding the Fourth Proportional to 272,939.61, 376,651.64 and 152,078.29

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Solution

The fourth proportional to 272,939.61, 376,651.64 and 152,078.29 is: 209,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,939.61 : 376,651.64 = 152,078.29 : x
  2. Step 2: Convert to fraction form
    272,939.61/376,651.64 = 152,078.29/x
  3. Step 3: Cross multiply
    272,939.61x = 376,651.64 × 152,078.29
  4. Step 4: Simplify right side
    272,939.61x = 57,280,538,038.69
  5. Step 5: Solve for x
    x = 57,280,538,038.69/272,939.61
  6. Step 6: Final answer
    x = 209,865.25

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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.