Home / 211,384.54-291,710.59-115,889.19

Finding the Fourth Proportional to 211,384.54, 291,710.59 and 115,889.19

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Solution

The fourth proportional to 211,384.54, 291,710.59 and 115,889.19 is: 159,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,384.54 : 291,710.59 = 115,889.19 : x
  2. Step 2: Convert to fraction form
    211,384.54/291,710.59 = 115,889.19/x
  3. Step 3: Cross multiply
    211,384.54x = 291,710.59 × 115,889.19
  4. Step 4: Simplify right side
    211,384.54x = 33,806,103,989.52
  5. Step 5: Solve for x
    x = 33,806,103,989.52/211,384.54
  6. Step 6: Final answer
    x = 159,927.04

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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.