Home / 315,308.45-435,135.27-179,362.10

Finding the Fourth Proportional to 315,308.45, 435,135.27 and 179,362.10

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Solution

The fourth proportional to 315,308.45, 435,135.27 and 179,362.10 is: 247,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,308.45 : 435,135.27 = 179,362.10 : x
  2. Step 2: Convert to fraction form
    315,308.45/435,135.27 = 179,362.10/x
  3. Step 3: Cross multiply
    315,308.45x = 435,135.27 × 179,362.10
  4. Step 4: Simplify right side
    315,308.45x = 78,046,775,811.27
  5. Step 5: Solve for x
    x = 78,046,775,811.27/315,308.45
  6. Step 6: Final answer
    x = 247,525.16

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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.