Home / 475,217.09-655,274.21-302,862.27

Finding the Fourth Proportional to 475,217.09, 655,274.21 and 302,862.27

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Solution

The fourth proportional to 475,217.09, 655,274.21 and 302,862.27 is: 417,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,217.09 : 655,274.21 = 302,862.27 : x
  2. Step 2: Convert to fraction form
    475,217.09/655,274.21 = 302,862.27/x
  3. Step 3: Cross multiply
    475,217.09x = 655,274.21 × 302,862.27
  4. Step 4: Simplify right side
    475,217.09x = 198,457,833,198.75
  5. Step 5: Solve for x
    x = 198,457,833,198.75/475,217.09
  6. Step 6: Final answer
    x = 417,615.11

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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.