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Finding the Fourth Proportional to 346,502.52, 519,772.28 and 109,863.72

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Solution

The fourth proportional to 346,502.52, 519,772.28 and 109,863.72 is: 164,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,502.52 : 519,772.28 = 109,863.72 : x
  2. Step 2: Convert to fraction form
    346,502.52/519,772.28 = 109,863.72/x
  3. Step 3: Cross multiply
    346,502.52x = 519,772.28 × 109,863.72
  4. Step 4: Simplify right side
    346,502.52x = 57,104,115,684.36
  5. Step 5: Solve for x
    x = 57,104,115,684.36/346,502.52
  6. Step 6: Final answer
    x = 164,801.44

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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.