Home / 314,709.06-434,298.24-171,470.28

Finding the Fourth Proportional to 314,709.06, 434,298.24 and 171,470.28

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Solution

The fourth proportional to 314,709.06, 434,298.24 and 171,470.28 is: 236,628.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,709.06 : 434,298.24 = 171,470.28 : x
  2. Step 2: Convert to fraction form
    314,709.06/434,298.24 = 171,470.28/x
  3. Step 3: Cross multiply
    314,709.06x = 434,298.24 × 171,470.28
  4. Step 4: Simplify right side
    314,709.06x = 74,469,240,816.31
  5. Step 5: Solve for x
    x = 74,469,240,816.31/314,709.06
  6. Step 6: Final answer
    x = 236,628.84

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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.