Home / 407,944.09-611,823.89-155,134.49

Finding the Fourth Proportional to 407,944.09, 611,823.89 and 155,134.49

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Solution

The fourth proportional to 407,944.09, 611,823.89 and 155,134.49 is: 232,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,944.09 : 611,823.89 = 155,134.49 : x
  2. Step 2: Convert to fraction form
    407,944.09/611,823.89 = 155,134.49/x
  3. Step 3: Cross multiply
    407,944.09x = 611,823.89 × 155,134.49
  4. Step 4: Simplify right side
    407,944.09x = 94,914,984,473.68
  5. Step 5: Solve for x
    x = 94,914,984,473.68/407,944.09
  6. Step 6: Final answer
    x = 232,666.65

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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.