Home / 311,258.40-429,530.94-175,291.80

Finding the Fourth Proportional to 311,258.40, 429,530.94 and 175,291.80

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Solution

The fourth proportional to 311,258.40, 429,530.94 and 175,291.80 is: 241,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,258.40 : 429,530.94 = 175,291.80 : x
  2. Step 2: Convert to fraction form
    311,258.40/429,530.94 = 175,291.80/x
  3. Step 3: Cross multiply
    311,258.40x = 429,530.94 × 175,291.80
  4. Step 4: Simplify right side
    311,258.40x = 75,293,251,628.29
  5. Step 5: Solve for x
    x = 75,293,251,628.29/311,258.40
  6. Step 6: Final answer
    x = 241,899.50

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1.5x scale

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.