Home / 211,036.35-316,570.94-61,279.10

Finding the Fourth Proportional to 211,036.35, 316,570.94 and 61,279.10

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Solution

The fourth proportional to 211,036.35, 316,570.94 and 61,279.10 is: 91,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,036.35 : 316,570.94 = 61,279.10 : x
  2. Step 2: Convert to fraction form
    211,036.35/316,570.94 = 61,279.10/x
  3. Step 3: Cross multiply
    211,036.35x = 316,570.94 × 61,279.10
  4. Step 4: Simplify right side
    211,036.35x = 19,399,180,400.10
  5. Step 5: Solve for x
    x = 19,399,180,400.10/211,036.35
  6. Step 6: Final answer
    x = 91,923.41

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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.