Home / 346,965.30-519,411.15-206,651.70

Finding the Fourth Proportional to 346,965.30, 519,411.15 and 206,651.70

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Solution

The fourth proportional to 346,965.30, 519,411.15 and 206,651.70 is: 309,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,965.30 : 519,411.15 = 206,651.70 : x
  2. Step 2: Convert to fraction form
    346,965.30/519,411.15 = 206,651.70/x
  3. Step 3: Cross multiply
    346,965.30x = 519,411.15 × 206,651.70
  4. Step 4: Simplify right side
    346,965.30x = 107,337,197,146.46
  5. Step 5: Solve for x
    x = 107,337,197,146.46/346,965.30
  6. Step 6: Final answer
    x = 309,360.03

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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.