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Finding the Fourth Proportional to 565,557.60, 848,314.20 and 191,580.56

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Solution

The fourth proportional to 565,557.60, 848,314.20 and 191,580.56 is: 287,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,557.60 : 848,314.20 = 191,580.56 : x
  2. Step 2: Convert to fraction form
    565,557.60/848,314.20 = 191,580.56/x
  3. Step 3: Cross multiply
    565,557.60x = 848,314.20 × 191,580.56
  4. Step 4: Simplify right side
    565,557.60x = 162,520,509,491.95
  5. Step 5: Solve for x
    x = 162,520,509,491.95/565,557.60
  6. Step 6: Final answer
    x = 287,363.32

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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.