Home / 211,009.60-316,514.93-53,238.06

Finding the Fourth Proportional to 211,009.60, 316,514.93 and 53,238.06

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Solution

The fourth proportional to 211,009.60, 316,514.93 and 53,238.06 is: 79,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,009.60 : 316,514.93 = 53,238.06 : x
  2. Step 2: Convert to fraction form
    211,009.60/316,514.93 = 53,238.06/x
  3. Step 3: Cross multiply
    211,009.60x = 316,514.93 × 53,238.06
  4. Step 4: Simplify right side
    211,009.60x = 16,850,640,568.05
  5. Step 5: Solve for x
    x = 16,850,640,568.05/211,009.60
  6. Step 6: Final answer
    x = 79,857.22

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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.