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Finding the Fourth Proportional to 369,717.72, 510,215.41 and 208,572.27

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Solution

The fourth proportional to 369,717.72, 510,215.41 and 208,572.27 is: 287,832.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,717.72 : 510,215.41 = 208,572.27 : x
  2. Step 2: Convert to fraction form
    369,717.72/510,215.41 = 208,572.27/x
  3. Step 3: Cross multiply
    369,717.72x = 510,215.41 × 208,572.27
  4. Step 4: Simplify right side
    369,717.72x = 106,416,786,252.68
  5. Step 5: Solve for x
    x = 106,416,786,252.68/369,717.72
  6. Step 6: Final answer
    x = 287,832.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.