Home / 319,004.22-440,250.54-175,789.74

Finding the Fourth Proportional to 319,004.22, 440,250.54 and 175,789.74

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Solution

The fourth proportional to 319,004.22, 440,250.54 and 175,789.74 is: 242,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,004.22 : 440,250.54 = 175,789.74 : x
  2. Step 2: Convert to fraction form
    319,004.22/440,250.54 = 175,789.74/x
  3. Step 3: Cross multiply
    319,004.22x = 440,250.54 × 175,789.74
  4. Step 4: Simplify right side
    319,004.22x = 77,391,527,961.46
  5. Step 5: Solve for x
    x = 77,391,527,961.46/319,004.22
  6. Step 6: Final answer
    x = 242,603.46

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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.