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Finding the Fourth Proportional to 251,801.32, 377,702.02 and 83,276.42

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Solution

The fourth proportional to 251,801.32, 377,702.02 and 83,276.42 is: 124,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,801.32 : 377,702.02 = 83,276.42 : x
  2. Step 2: Convert to fraction form
    251,801.32/377,702.02 = 83,276.42/x
  3. Step 3: Cross multiply
    251,801.32x = 377,702.02 × 83,276.42
  4. Step 4: Simplify right side
    251,801.32x = 31,453,672,052.37
  5. Step 5: Solve for x
    x = 31,453,672,052.37/251,801.32
  6. Step 6: Final answer
    x = 124,914.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.