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Finding the Fourth Proportional to 366,953.15, 550,429.73 and 352,956.35

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Solution

The fourth proportional to 366,953.15, 550,429.73 and 352,956.35 is: 529,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,953.15 : 550,429.73 = 352,956.35 : x
  2. Step 2: Convert to fraction form
    366,953.15/550,429.73 = 352,956.35/x
  3. Step 3: Cross multiply
    366,953.15x = 550,429.73 × 352,956.35
  4. Step 4: Simplify right side
    366,953.15x = 194,277,668,432.29
  5. Step 5: Solve for x
    x = 194,277,668,432.29/366,953.15
  6. Step 6: Final answer
    x = 529,434.53

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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.