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Finding the Fourth Proportional to 565,518.72, 848,394.72 and 191,532

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Solution

The fourth proportional to 565,518.72, 848,394.72 and 191,532 is: 287,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,518.72 : 848,394.72 = 191,532 : x
  2. Step 2: Convert to fraction form
    565,518.72/848,394.72 = 191,532/x
  3. Step 3: Cross multiply
    565,518.72x = 848,394.72 × 191,532
  4. Step 4: Simplify right side
    565,518.72x = 162,494,737,511.04
  5. Step 5: Solve for x
    x = 162,494,737,511.04/565,518.72
  6. Step 6: Final answer
    x = 287,337.50

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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.