Home / 211,531.42-317,319.37-61,772.13

Finding the Fourth Proportional to 211,531.42, 317,319.37 and 61,772.13

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Solution

The fourth proportional to 211,531.42, 317,319.37 and 61,772.13 is: 92,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,531.42 : 317,319.37 = 61,772.13 : x
  2. Step 2: Convert to fraction form
    211,531.42/317,319.37 = 61,772.13/x
  3. Step 3: Cross multiply
    211,531.42x = 317,319.37 × 61,772.13
  4. Step 4: Simplify right side
    211,531.42x = 19,601,492,378.25
  5. Step 5: Solve for x
    x = 19,601,492,378.25/211,531.42
  6. Step 6: Final answer
    x = 92,664.69

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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.