Home / 447,401.15-671,206.79-147,881.69

Finding the Fourth Proportional to 447,401.15, 671,206.79 and 147,881.69

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Solution

The fourth proportional to 447,401.15, 671,206.79 and 147,881.69 is: 221,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,401.15 : 671,206.79 = 147,881.69 : x
  2. Step 2: Convert to fraction form
    447,401.15/671,206.79 = 147,881.69/x
  3. Step 3: Cross multiply
    447,401.15x = 671,206.79 × 147,881.69
  4. Step 4: Simplify right side
    447,401.15x = 99,259,196,603.10
  5. Step 5: Solve for x
    x = 99,259,196,603.10/447,401.15
  6. Step 6: Final answer
    x = 221,857.27

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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.