Home / 211,633.02-291,949.52-154,182.96

Finding the Fourth Proportional to 211,633.02, 291,949.52 and 154,182.96

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Solution

The fourth proportional to 211,633.02, 291,949.52 and 154,182.96 is: 212,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,633.02 : 291,949.52 = 154,182.96 : x
  2. Step 2: Convert to fraction form
    211,633.02/291,949.52 = 154,182.96/x
  3. Step 3: Cross multiply
    211,633.02x = 291,949.52 × 154,182.96
  4. Step 4: Simplify right side
    211,633.02x = 45,013,640,393.26
  5. Step 5: Solve for x
    x = 45,013,640,393.26/211,633.02
  6. Step 6: Final answer
    x = 212,696.68

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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.