Home / 211,236.96-316,855.92-51,312.18

Finding the Fourth Proportional to 211,236.96, 316,855.92 and 51,312.18

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Solution

The fourth proportional to 211,236.96, 316,855.92 and 51,312.18 is: 76,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,236.96 : 316,855.92 = 51,312.18 : x
  2. Step 2: Convert to fraction form
    211,236.96/316,855.92 = 51,312.18/x
  3. Step 3: Cross multiply
    211,236.96x = 316,855.92 × 51,312.18
  4. Step 4: Simplify right side
    211,236.96x = 16,258,569,381.74
  5. Step 5: Solve for x
    x = 16,258,569,381.74/211,236.96
  6. Step 6: Final answer
    x = 76,968.39

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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.