Home / 211,301.07-316,963.14-53,530.89

Finding the Fourth Proportional to 211,301.07, 316,963.14 and 53,530.89

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Solution

The fourth proportional to 211,301.07, 316,963.14 and 53,530.89 is: 80,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,301.07 : 316,963.14 = 53,530.89 : x
  2. Step 2: Convert to fraction form
    211,301.07/316,963.14 = 53,530.89/x
  3. Step 3: Cross multiply
    211,301.07x = 316,963.14 × 53,530.89
  4. Step 4: Simplify right side
    211,301.07x = 16,967,318,981.39
  5. Step 5: Solve for x
    x = 16,967,318,981.39/211,301.07
  6. Step 6: Final answer
    x = 80,299.26

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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.