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Finding the Fourth Proportional to 562,296.96, 843,775.68 and 207,338.64

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Solution

The fourth proportional to 562,296.96, 843,775.68 and 207,338.64 is: 311,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,296.96 : 843,775.68 = 207,338.64 : x
  2. Step 2: Convert to fraction form
    562,296.96/843,775.68 = 207,338.64/x
  3. Step 3: Cross multiply
    562,296.96x = 843,775.68 × 207,338.64
  4. Step 4: Simplify right side
    562,296.96x = 174,947,301,956.28
  5. Step 5: Solve for x
    x = 174,947,301,956.28/562,296.96
  6. Step 6: Final answer
    x = 311,129.73

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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.