Home / 372,392.09-558,144.25-259,460.81

Finding the Fourth Proportional to 372,392.09, 558,144.25 and 259,460.81

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Solution

The fourth proportional to 372,392.09, 558,144.25 and 259,460.81 is: 388,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,392.09 : 558,144.25 = 259,460.81 : x
  2. Step 2: Convert to fraction form
    372,392.09/558,144.25 = 259,460.81/x
  3. Step 3: Cross multiply
    372,392.09x = 558,144.25 × 259,460.81
  4. Step 4: Simplify right side
    372,392.09x = 144,816,555,762.47
  5. Step 5: Solve for x
    x = 144,816,555,762.47/372,392.09
  6. Step 6: Final answer
    x = 388,881.94

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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.