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Finding the Fourth Proportional to 315,607.63, 435,541.32 and 179,650.34

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Solution

The fourth proportional to 315,607.63, 435,541.32 and 179,650.34 is: 247,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,607.63 : 435,541.32 = 179,650.34 : x
  2. Step 2: Convert to fraction form
    315,607.63/435,541.32 = 179,650.34/x
  3. Step 3: Cross multiply
    315,607.63x = 435,541.32 × 179,650.34
  4. Step 4: Simplify right side
    315,607.63x = 78,245,144,860.98
  5. Step 5: Solve for x
    x = 78,245,144,860.98/315,607.63
  6. Step 6: Final answer
    x = 247,919.05

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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.