Home / 211,738.60-317,316.30-140,458.60

Finding the Fourth Proportional to 211,738.60, 317,316.30 and 140,458.60

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Solution

The fourth proportional to 211,738.60, 317,316.30 and 140,458.60 is: 210,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,738.60 : 317,316.30 = 140,458.60 : x
  2. Step 2: Convert to fraction form
    211,738.60/317,316.30 = 140,458.60/x
  3. Step 3: Cross multiply
    211,738.60x = 317,316.30 × 140,458.60
  4. Step 4: Simplify right side
    211,738.60x = 44,569,803,255.18
  5. Step 5: Solve for x
    x = 44,569,803,255.18/211,738.60
  6. Step 6: Final answer
    x = 210,494.46

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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.