Home / 382,290.36-527,550.11-210,208.67

Finding the Fourth Proportional to 382,290.36, 527,550.11 and 210,208.67

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Solution

The fourth proportional to 382,290.36, 527,550.11 and 210,208.67 is: 290,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,290.36 : 527,550.11 = 210,208.67 : x
  2. Step 2: Convert to fraction form
    382,290.36/527,550.11 = 210,208.67/x
  3. Step 3: Cross multiply
    382,290.36x = 527,550.11 × 210,208.67
  4. Step 4: Simplify right side
    382,290.36x = 110,895,603,292.66
  5. Step 5: Solve for x
    x = 110,895,603,292.66/382,290.36
  6. Step 6: Final answer
    x = 290,082.13

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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.