Home / 310,939.66-429,063.64-174,971.24

Finding the Fourth Proportional to 310,939.66, 429,063.64 and 174,971.24

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Solution

The fourth proportional to 310,939.66, 429,063.64 and 174,971.24 is: 241,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,939.66 : 429,063.64 = 174,971.24 : x
  2. Step 2: Convert to fraction form
    310,939.66/429,063.64 = 174,971.24/x
  3. Step 3: Cross multiply
    310,939.66x = 429,063.64 × 174,971.24
  4. Step 4: Simplify right side
    310,939.66x = 75,073,797,129.71
  5. Step 5: Solve for x
    x = 75,073,797,129.71/310,939.66
  6. Step 6: Final answer
    x = 241,441.69

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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.