Home / 310,284.32-428,195.04-174,320.96

Finding the Fourth Proportional to 310,284.32, 428,195.04 and 174,320.96

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Solution

The fourth proportional to 310,284.32, 428,195.04 and 174,320.96 is: 240,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,284.32 : 428,195.04 = 174,320.96 : x
  2. Step 2: Convert to fraction form
    310,284.32/428,195.04 = 174,320.96/x
  3. Step 3: Cross multiply
    310,284.32x = 428,195.04 × 174,320.96
  4. Step 4: Simplify right side
    310,284.32x = 74,643,370,440.04
  5. Step 5: Solve for x
    x = 74,643,370,440.04/310,284.32
  6. Step 6: Final answer
    x = 240,564.43

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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.