Home / 211,592.96-317,072-122,638.08

Finding the Fourth Proportional to 211,592.96, 317,072 and 122,638.08

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Solution

The fourth proportional to 211,592.96, 317,072 and 122,638.08 is: 183,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,592.96 : 317,072 = 122,638.08 : x
  2. Step 2: Convert to fraction form
    211,592.96/317,072 = 122,638.08/x
  3. Step 3: Cross multiply
    211,592.96x = 317,072 × 122,638.08
  4. Step 4: Simplify right side
    211,592.96x = 38,885,101,301.76
  5. Step 5: Solve for x
    x = 38,885,101,301.76/211,592.96
  6. Step 6: Final answer
    x = 183,773.13

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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.