Home / 346,040.20-519,060.30-109,455.40

Finding the Fourth Proportional to 346,040.20, 519,060.30 and 109,455.40

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Solution

The fourth proportional to 346,040.20, 519,060.30 and 109,455.40 is: 164,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,040.20 : 519,060.30 = 109,455.40 : x
  2. Step 2: Convert to fraction form
    346,040.20/519,060.30 = 109,455.40/x
  3. Step 3: Cross multiply
    346,040.20x = 519,060.30 × 109,455.40
  4. Step 4: Simplify right side
    346,040.20x = 56,813,952,760.62
  5. Step 5: Solve for x
    x = 56,813,952,760.62/346,040.20
  6. Step 6: Final answer
    x = 164,183.10

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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.