Home / 211,819.32-292,312.68-116,328

Finding the Fourth Proportional to 211,819.32, 292,312.68 and 116,328

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Solution

The fourth proportional to 211,819.32, 292,312.68 and 116,328 is: 160,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,819.32 : 292,312.68 = 116,328 : x
  2. Step 2: Convert to fraction form
    211,819.32/292,312.68 = 116,328/x
  3. Step 3: Cross multiply
    211,819.32x = 292,312.68 × 116,328
  4. Step 4: Simplify right side
    211,819.32x = 34,004,149,439.04
  5. Step 5: Solve for x
    x = 34,004,149,439.04/211,819.32
  6. Step 6: Final answer
    x = 160,533.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.