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Finding the Fourth Proportional to 230,898.30, 346,347.45 and 141,863.10

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Solution

The fourth proportional to 230,898.30, 346,347.45 and 141,863.10 is: 212,794.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,898.30 : 346,347.45 = 141,863.10 : x
  2. Step 2: Convert to fraction form
    230,898.30/346,347.45 = 141,863.10/x
  3. Step 3: Cross multiply
    230,898.30x = 346,347.45 × 141,863.10
  4. Step 4: Simplify right side
    230,898.30x = 49,133,922,934.10
  5. Step 5: Solve for x
    x = 49,133,922,934.10/230,898.30
  6. Step 6: Final answer
    x = 212,794.65

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1.5x scale

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.