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Finding the Fourth Proportional to 277,045.58, 415,591.95 and 87,455.23

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Solution

The fourth proportional to 277,045.58, 415,591.95 and 87,455.23 is: 131,190.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,045.58 : 415,591.95 = 87,455.23 : x
  2. Step 2: Convert to fraction form
    277,045.58/415,591.95 = 87,455.23/x
  3. Step 3: Cross multiply
    277,045.58x = 415,591.95 × 87,455.23
  4. Step 4: Simplify right side
    277,045.58x = 36,345,687,058.16
  5. Step 5: Solve for x
    x = 36,345,687,058.16/277,045.58
  6. Step 6: Final answer
    x = 131,190.28

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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.