Home / 407,943.34-611,822.77-155,133.73

Finding the Fourth Proportional to 407,943.34, 611,822.77 and 155,133.73

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Solution

The fourth proportional to 407,943.34, 611,822.77 and 155,133.73 is: 232,665.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,943.34 : 611,822.77 = 155,133.73 : x
  2. Step 2: Convert to fraction form
    407,943.34/611,822.77 = 155,133.73/x
  3. Step 3: Cross multiply
    407,943.34x = 611,822.77 × 155,133.73
  4. Step 4: Simplify right side
    407,943.34x = 94,914,348,785.98
  5. Step 5: Solve for x
    x = 94,914,348,785.98/407,943.34
  6. Step 6: Final answer
    x = 232,665.52

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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.