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Finding the Fourth Proportional to 216,858.38, 299,296.08 and 124,959.83

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Solution

The fourth proportional to 216,858.38, 299,296.08 and 124,959.83 is: 172,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,858.38 : 299,296.08 = 124,959.83 : x
  2. Step 2: Convert to fraction form
    216,858.38/299,296.08 = 124,959.83/x
  3. Step 3: Cross multiply
    216,858.38x = 299,296.08 × 124,959.83
  4. Step 4: Simplify right side
    216,858.38x = 37,399,985,779.99
  5. Step 5: Solve for x
    x = 37,399,985,779.99/216,858.38
  6. Step 6: Final answer
    x = 172,462.72

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1.5x scale

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.