Home / 314,949.13-434,632.34-171,710.21

Finding the Fourth Proportional to 314,949.13, 434,632.34 and 171,710.21

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Solution

The fourth proportional to 314,949.13, 434,632.34 and 171,710.21 is: 236,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,949.13 : 434,632.34 = 171,710.21 : x
  2. Step 2: Convert to fraction form
    314,949.13/434,632.34 = 171,710.21/x
  3. Step 3: Cross multiply
    314,949.13x = 434,632.34 × 171,710.21
  4. Step 4: Simplify right side
    314,949.13x = 74,630,811,890.05
  5. Step 5: Solve for x
    x = 74,630,811,890.05/314,949.13
  6. Step 6: Final answer
    x = 236,961.48

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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.