Home / 315,724.25-435,719.57-179,770.07

Finding the Fourth Proportional to 315,724.25, 435,719.57 and 179,770.07

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Solution

The fourth proportional to 315,724.25, 435,719.57 and 179,770.07 is: 248,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,724.25 : 435,719.57 = 179,770.07 : x
  2. Step 2: Convert to fraction form
    315,724.25/435,719.57 = 179,770.07/x
  3. Step 3: Cross multiply
    315,724.25x = 435,719.57 × 179,770.07
  4. Step 4: Simplify right side
    315,724.25x = 78,329,334,521.82
  5. Step 5: Solve for x
    x = 78,329,334,521.82/315,724.25
  6. Step 6: Final answer
    x = 248,094.14

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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.