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Finding the Fourth Proportional to 565,530.92, 848,288.92 and 139,070.44

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Solution

The fourth proportional to 565,530.92, 848,288.92 and 139,070.44 is: 208,603.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,530.92 : 848,288.92 = 139,070.44 : x
  2. Step 2: Convert to fraction form
    565,530.92/848,288.92 = 139,070.44/x
  3. Step 3: Cross multiply
    565,530.92x = 848,288.92 × 139,070.44
  4. Step 4: Simplify right side
    565,530.92x = 117,971,913,351.53
  5. Step 5: Solve for x
    x = 117,971,913,351.53/565,530.92
  6. Step 6: Final answer
    x = 208,603.83

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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.