Home / 472,471.92-651,999.48-257,616.18

Finding the Fourth Proportional to 472,471.92, 651,999.48 and 257,616.18

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Solution

The fourth proportional to 472,471.92, 651,999.48 and 257,616.18 is: 355,503.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,471.92 : 651,999.48 = 257,616.18 : x
  2. Step 2: Convert to fraction form
    472,471.92/651,999.48 = 257,616.18/x
  3. Step 3: Cross multiply
    472,471.92x = 651,999.48 × 257,616.18
  4. Step 4: Simplify right side
    472,471.92x = 167,965,615,399.59
  5. Step 5: Solve for x
    x = 167,965,615,399.59/472,471.92
  6. Step 6: Final answer
    x = 355,503.91

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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.