Home / 356,648.07-492,332.60-227,755.40

Finding the Fourth Proportional to 356,648.07, 492,332.60 and 227,755.40

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Solution

The fourth proportional to 356,648.07, 492,332.60 and 227,755.40 is: 314,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,648.07 : 492,332.60 = 227,755.40 : x
  2. Step 2: Convert to fraction form
    356,648.07/492,332.60 = 227,755.40/x
  3. Step 3: Cross multiply
    356,648.07x = 492,332.60 × 227,755.40
  4. Step 4: Simplify right side
    356,648.07x = 112,131,410,046.26
  5. Step 5: Solve for x
    x = 112,131,410,046.26/356,648.07
  6. Step 6: Final answer
    x = 314,403.52

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1.5x scale

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.