Home / 266,419.05-367,653.51-145,557.33

Finding the Fourth Proportional to 266,419.05, 367,653.51 and 145,557.33

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Solution

The fourth proportional to 266,419.05, 367,653.51 and 145,557.33 is: 200,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,419.05 : 367,653.51 = 145,557.33 : x
  2. Step 2: Convert to fraction form
    266,419.05/367,653.51 = 145,557.33/x
  3. Step 3: Cross multiply
    266,419.05x = 367,653.51 × 145,557.33
  4. Step 4: Simplify right side
    266,419.05x = 53,514,663,280.73
  5. Step 5: Solve for x
    x = 53,514,663,280.73/266,419.05
  6. Step 6: Final answer
    x = 200,866.50

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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.