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Finding the Fourth Proportional to 369,767.08, 510,249.54 and 208,661.32

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Solution

The fourth proportional to 369,767.08, 510,249.54 and 208,661.32 is: 287,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,767.08 : 510,249.54 = 208,661.32 : x
  2. Step 2: Convert to fraction form
    369,767.08/510,249.54 = 208,661.32/x
  3. Step 3: Cross multiply
    369,767.08x = 510,249.54 × 208,661.32
  4. Step 4: Simplify right side
    369,767.08x = 106,469,342,545.79
  5. Step 5: Solve for x
    x = 106,469,342,545.79/369,767.08
  6. Step 6: Final answer
    x = 287,936.24

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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.