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Finding the Fourth Proportional to 565,872.53, 848,809.00 and 139,416.64

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Solution

The fourth proportional to 565,872.53, 848,809.00 and 139,416.64 is: 209,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,872.53 : 848,809.00 = 139,416.64 : x
  2. Step 2: Convert to fraction form
    565,872.53/848,809.00 = 139,416.64/x
  3. Step 3: Cross multiply
    565,872.53x = 848,809.00 × 139,416.64
  4. Step 4: Simplify right side
    565,872.53x = 118,338,101,216.45
  5. Step 5: Solve for x
    x = 118,338,101,216.45/565,872.53
  6. Step 6: Final answer
    x = 209,125.01

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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.