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Finding the Fourth Proportional to 365,005.51, 503,702.35 and 203,862.89

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Solution

The fourth proportional to 365,005.51, 503,702.35 and 203,862.89 is: 281,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,005.51 : 503,702.35 = 203,862.89 : x
  2. Step 2: Convert to fraction form
    365,005.51/503,702.35 = 203,862.89/x
  3. Step 3: Cross multiply
    365,005.51x = 503,702.35 × 203,862.89
  4. Step 4: Simplify right side
    365,005.51x = 102,686,217,520.39
  5. Step 5: Solve for x
    x = 102,686,217,520.39/365,005.51
  6. Step 6: Final answer
    x = 281,327.86

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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.