Home / 211,315.03-316,992.08-76,412.77

Finding the Fourth Proportional to 211,315.03, 316,992.08 and 76,412.77

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Solution

The fourth proportional to 211,315.03, 316,992.08 and 76,412.77 is: 114,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,315.03 : 316,992.08 = 76,412.77 : x
  2. Step 2: Convert to fraction form
    211,315.03/316,992.08 = 76,412.77/x
  3. Step 3: Cross multiply
    211,315.03x = 316,992.08 × 76,412.77
  4. Step 4: Simplify right side
    211,315.03x = 24,222,242,900.86
  5. Step 5: Solve for x
    x = 24,222,242,900.86/211,315.03
  6. Step 6: Final answer
    x = 114,626.22

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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.