Home / 315,207.12-434,968.10-179,274.14

Finding the Fourth Proportional to 315,207.12, 434,968.10 and 179,274.14

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Solution

The fourth proportional to 315,207.12, 434,968.10 and 179,274.14 is: 247,388.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,207.12 : 434,968.10 = 179,274.14 : x
  2. Step 2: Convert to fraction form
    315,207.12/434,968.10 = 179,274.14/x
  3. Step 3: Cross multiply
    315,207.12x = 434,968.10 × 179,274.14
  4. Step 4: Simplify right side
    315,207.12x = 77,978,529,656.00
  5. Step 5: Solve for x
    x = 77,978,529,656.00/315,207.12
  6. Step 6: Final answer
    x = 247,388.22

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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.