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Finding the Fourth Proportional to 369,682.92, 510,158.52 and 208,590.39

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Solution

The fourth proportional to 369,682.92, 510,158.52 and 208,590.39 is: 287,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,682.92 : 510,158.52 = 208,590.39 : x
  2. Step 2: Convert to fraction form
    369,682.92/510,158.52 = 208,590.39/x
  3. Step 3: Cross multiply
    369,682.92x = 510,158.52 × 208,590.39
  4. Step 4: Simplify right side
    369,682.92x = 106,414,164,648.62
  5. Step 5: Solve for x
    x = 106,414,164,648.62/369,682.92
  6. Step 6: Final answer
    x = 287,852.53

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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.