Home / 451,916.24-677,471.64-171,630.32

Finding the Fourth Proportional to 451,916.24, 677,471.64 and 171,630.32

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Solution

The fourth proportional to 451,916.24, 677,471.64 and 171,630.32 is: 257,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,916.24 : 677,471.64 = 171,630.32 : x
  2. Step 2: Convert to fraction form
    451,916.24/677,471.64 = 171,630.32/x
  3. Step 3: Cross multiply
    451,916.24x = 677,471.64 × 171,630.32
  4. Step 4: Simplify right side
    451,916.24x = 116,274,674,364.13
  5. Step 5: Solve for x
    x = 116,274,674,364.13/451,916.24
  6. Step 6: Final answer
    x = 257,292.53

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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.