Home / 211,199.48-316,769.46-53,418.20

Finding the Fourth Proportional to 211,199.48, 316,769.46 and 53,418.20

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Solution

The fourth proportional to 211,199.48, 316,769.46 and 53,418.20 is: 80,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,199.48 : 316,769.46 = 53,418.20 : x
  2. Step 2: Convert to fraction form
    211,199.48/316,769.46 = 53,418.20/x
  3. Step 3: Cross multiply
    211,199.48x = 316,769.46 × 53,418.20
  4. Step 4: Simplify right side
    211,199.48x = 16,921,254,368.17
  5. Step 5: Solve for x
    x = 16,921,254,368.17/211,199.48
  6. Step 6: Final answer
    x = 80,119.77

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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.