Home / 447,890.29-671,831.26-181,587.49

Finding the Fourth Proportional to 447,890.29, 671,831.26 and 181,587.49

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Solution

The fourth proportional to 447,890.29, 671,831.26 and 181,587.49 is: 272,379.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,890.29 : 671,831.26 = 181,587.49 : x
  2. Step 2: Convert to fraction form
    447,890.29/671,831.26 = 181,587.49/x
  3. Step 3: Cross multiply
    447,890.29x = 671,831.26 × 181,587.49
  4. Step 4: Simplify right side
    447,890.29x = 121,996,150,073.39
  5. Step 5: Solve for x
    x = 121,996,150,073.39/447,890.29
  6. Step 6: Final answer
    x = 272,379.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.