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Finding the Fourth Proportional to 565,421.13, 848,552.15 and 228,464.71

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Solution

The fourth proportional to 565,421.13, 848,552.15 and 228,464.71 is: 342,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,421.13 : 848,552.15 = 228,464.71 : x
  2. Step 2: Convert to fraction form
    565,421.13/848,552.15 = 228,464.71/x
  3. Step 3: Cross multiply
    565,421.13x = 848,552.15 × 228,464.71
  4. Step 4: Simplify right side
    565,421.13x = 193,864,219,727.30
  5. Step 5: Solve for x
    x = 193,864,219,727.30/565,421.13
  6. Step 6: Final answer
    x = 342,866.95

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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.