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Finding the Fourth Proportional to 346,590.70, 519,881.92 and 109,935.43

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Solution

The fourth proportional to 346,590.70, 519,881.92 and 109,935.43 is: 164,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,590.70 : 519,881.92 = 109,935.43 : x
  2. Step 2: Convert to fraction form
    346,590.70/519,881.92 = 109,935.43/x
  3. Step 3: Cross multiply
    346,590.70x = 519,881.92 × 109,935.43
  4. Step 4: Simplify right side
    346,590.70x = 57,153,442,424.43
  5. Step 5: Solve for x
    x = 57,153,442,424.43/346,590.70
  6. Step 6: Final answer
    x = 164,901.84

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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.