Home / 382,221.15-527,465.51-210,142.04

Finding the Fourth Proportional to 382,221.15, 527,465.51 and 210,142.04

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Solution

The fourth proportional to 382,221.15, 527,465.51 and 210,142.04 is: 289,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,221.15 : 527,465.51 = 210,142.04 : x
  2. Step 2: Convert to fraction form
    382,221.15/527,465.51 = 210,142.04/x
  3. Step 3: Cross multiply
    382,221.15x = 527,465.51 × 210,142.04
  4. Step 4: Simplify right side
    382,221.15x = 110,842,675,401.04
  5. Step 5: Solve for x
    x = 110,842,675,401.04/382,221.15
  6. Step 6: Final answer
    x = 289,996.19

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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.