Home / 211,733.80-317,600.70-93,279.40

Finding the Fourth Proportional to 211,733.80, 317,600.70 and 93,279.40

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Solution

The fourth proportional to 211,733.80, 317,600.70 and 93,279.40 is: 139,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,733.80 : 317,600.70 = 93,279.40 : x
  2. Step 2: Convert to fraction form
    211,733.80/317,600.70 = 93,279.40/x
  3. Step 3: Cross multiply
    211,733.80x = 317,600.70 × 93,279.40
  4. Step 4: Simplify right side
    211,733.80x = 29,625,602,735.58
  5. Step 5: Solve for x
    x = 29,625,602,735.58/211,733.80
  6. Step 6: Final answer
    x = 139,919.10

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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.