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Finding the Fourth Proportional to 356,774.52, 535,251.01 and 251,798.52

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Solution

The fourth proportional to 356,774.52, 535,251.01 and 251,798.52 is: 377,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,774.52 : 535,251.01 = 251,798.52 : x
  2. Step 2: Convert to fraction form
    356,774.52/535,251.01 = 251,798.52/x
  3. Step 3: Cross multiply
    356,774.52x = 535,251.01 × 251,798.52
  4. Step 4: Simplify right side
    356,774.52x = 134,775,408,840.75
  5. Step 5: Solve for x
    x = 134,775,408,840.75/356,774.52
  6. Step 6: Final answer
    x = 377,760.75

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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.