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Finding the Fourth Proportional to 344,735.15, 475,342.22 and 242,727.98

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Solution

The fourth proportional to 344,735.15, 475,342.22 and 242,727.98 is: 334,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,735.15 : 475,342.22 = 242,727.98 : x
  2. Step 2: Convert to fraction form
    344,735.15/475,342.22 = 242,727.98/x
  3. Step 3: Cross multiply
    344,735.15x = 475,342.22 × 242,727.98
  4. Step 4: Simplify right side
    344,735.15x = 115,378,855,655.68
  5. Step 5: Solve for x
    x = 115,378,855,655.68/344,735.15
  6. Step 6: Final answer
    x = 334,688.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.