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Finding the Fourth Proportional to 344,303.64, 475,138.26 and 191,341.32

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Solution

The fourth proportional to 344,303.64, 475,138.26 and 191,341.32 is: 264,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,303.64 : 475,138.26 = 191,341.32 : x
  2. Step 2: Convert to fraction form
    344,303.64/475,138.26 = 191,341.32/x
  3. Step 3: Cross multiply
    344,303.64x = 475,138.26 × 191,341.32
  4. Step 4: Simplify right side
    344,303.64x = 90,913,581,850.90
  5. Step 5: Solve for x
    x = 90,913,581,850.90/344,303.64
  6. Step 6: Final answer
    x = 264,050.60

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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.