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Finding the Fourth Proportional to 369,660.98, 510,110.87 and 208,506.42

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Solution

The fourth proportional to 369,660.98, 510,110.87 and 208,506.42 is: 287,726.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,660.98 : 510,110.87 = 208,506.42 : x
  2. Step 2: Convert to fraction form
    369,660.98/510,110.87 = 208,506.42/x
  3. Step 3: Cross multiply
    369,660.98x = 510,110.87 × 208,506.42
  4. Step 4: Simplify right side
    369,660.98x = 106,361,390,264.25
  5. Step 5: Solve for x
    x = 106,361,390,264.25/369,660.98
  6. Step 6: Final answer
    x = 287,726.85

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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.