Home / 314,964.72-434,650.93-171,724.73

Finding the Fourth Proportional to 314,964.72, 434,650.93 and 171,724.73

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Solution

The fourth proportional to 314,964.72, 434,650.93 and 171,724.73 is: 236,979.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,964.72 : 434,650.93 = 171,724.73 : x
  2. Step 2: Convert to fraction form
    314,964.72/434,650.93 = 171,724.73/x
  3. Step 3: Cross multiply
    314,964.72x = 434,650.93 × 171,724.73
  4. Step 4: Simplify right side
    314,964.72x = 74,640,310,995.93
  5. Step 5: Solve for x
    x = 74,640,310,995.93/314,964.72
  6. Step 6: Final answer
    x = 236,979.91

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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.