Home / 272,669.66-376,284.78-151,805.10

Finding the Fourth Proportional to 272,669.66, 376,284.78 and 151,805.10

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Solution

The fourth proportional to 272,669.66, 376,284.78 and 151,805.10 is: 209,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,669.66 : 376,284.78 = 151,805.10 : x
  2. Step 2: Convert to fraction form
    272,669.66/376,284.78 = 151,805.10/x
  3. Step 3: Cross multiply
    272,669.66x = 376,284.78 × 151,805.10
  4. Step 4: Simplify right side
    272,669.66x = 57,121,948,656.38
  5. Step 5: Solve for x
    x = 57,121,948,656.38/272,669.66
  6. Step 6: Final answer
    x = 209,491.40

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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.