Home / 272,537.77-376,119.75-151,678.66

Finding the Fourth Proportional to 272,537.77, 376,119.75 and 151,678.66

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Solution

The fourth proportional to 272,537.77, 376,119.75 and 151,678.66 is: 209,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,537.77 : 376,119.75 = 151,678.66 : x
  2. Step 2: Convert to fraction form
    272,537.77/376,119.75 = 151,678.66/x
  3. Step 3: Cross multiply
    272,537.77x = 376,119.75 × 151,678.66
  4. Step 4: Simplify right side
    272,537.77x = 57,049,339,679.54
  5. Step 5: Solve for x
    x = 57,049,339,679.54/272,537.77
  6. Step 6: Final answer
    x = 209,326.36

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1.5x scale

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.