Home / 315,208.44-434,985.59-179,242.40

Finding the Fourth Proportional to 315,208.44, 434,985.59 and 179,242.40

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Solution

The fourth proportional to 315,208.44, 434,985.59 and 179,242.40 is: 247,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,208.44 : 434,985.59 = 179,242.40 : x
  2. Step 2: Convert to fraction form
    315,208.44/434,985.59 = 179,242.40/x
  3. Step 3: Cross multiply
    315,208.44x = 434,985.59 × 179,242.40
  4. Step 4: Simplify right side
    315,208.44x = 77,967,858,045.88
  5. Step 5: Solve for x
    x = 77,967,858,045.88/315,208.44
  6. Step 6: Final answer
    x = 247,353.33

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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.