Home / 331,260.79-457,303.75-229,364.36

Finding the Fourth Proportional to 331,260.79, 457,303.75 and 229,364.36

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Solution

The fourth proportional to 331,260.79, 457,303.75 and 229,364.36 is: 316,636.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,260.79 : 457,303.75 = 229,364.36 : x
  2. Step 2: Convert to fraction form
    331,260.79/457,303.75 = 229,364.36/x
  3. Step 3: Cross multiply
    331,260.79x = 457,303.75 × 229,364.36
  4. Step 4: Simplify right side
    331,260.79x = 104,889,181,444.40
  5. Step 5: Solve for x
    x = 104,889,181,444.40/331,260.79
  6. Step 6: Final answer
    x = 316,636.27

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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.