Home / 346,400.70-519,601.05-109,815.90

Finding the Fourth Proportional to 346,400.70, 519,601.05 and 109,815.90

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Solution

The fourth proportional to 346,400.70, 519,601.05 and 109,815.90 is: 164,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,400.70 : 519,601.05 = 109,815.90 : x
  2. Step 2: Convert to fraction form
    346,400.70/519,601.05 = 109,815.90/x
  3. Step 3: Cross multiply
    346,400.70x = 519,601.05 × 109,815.90
  4. Step 4: Simplify right side
    346,400.70x = 57,060,456,946.70
  5. Step 5: Solve for x
    x = 57,060,456,946.70/346,400.70
  6. Step 6: Final answer
    x = 164,723.85

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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.