Home / 211,821.77-317,776.40-62,066.94

Finding the Fourth Proportional to 211,821.77, 317,776.40 and 62,066.94

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Solution

The fourth proportional to 211,821.77, 317,776.40 and 62,066.94 is: 93,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,821.77 : 317,776.40 = 62,066.94 : x
  2. Step 2: Convert to fraction form
    211,821.77/317,776.40 = 62,066.94/x
  3. Step 3: Cross multiply
    211,821.77x = 317,776.40 × 62,066.94
  4. Step 4: Simplify right side
    211,821.77x = 19,723,408,441.88
  5. Step 5: Solve for x
    x = 19,723,408,441.88/211,821.77
  6. Step 6: Final answer
    x = 93,113.23

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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.