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Finding the Fourth Proportional to 336,894.71, 506,012.74 and 210,758.27

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Solution

The fourth proportional to 336,894.71, 506,012.74 and 210,758.27 is: 316,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,894.71 : 506,012.74 = 210,758.27 : x
  2. Step 2: Convert to fraction form
    336,894.71/506,012.74 = 210,758.27/x
  3. Step 3: Cross multiply
    336,894.71x = 506,012.74 × 210,758.27
  4. Step 4: Simplify right side
    336,894.71x = 106,646,366,623.40
  5. Step 5: Solve for x
    x = 106,646,366,623.40/336,894.71
  6. Step 6: Final answer
    x = 316,556.97

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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.