Home / 310,971.23-429,069.30-174,955.55

Finding the Fourth Proportional to 310,971.23, 429,069.30 and 174,955.55

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Solution

The fourth proportional to 310,971.23, 429,069.30 and 174,955.55 is: 241,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,971.23 : 429,069.30 = 174,955.55 : x
  2. Step 2: Convert to fraction form
    310,971.23/429,069.30 = 174,955.55/x
  3. Step 3: Cross multiply
    310,971.23x = 429,069.30 × 174,955.55
  4. Step 4: Simplify right side
    310,971.23x = 75,068,053,422.16
  5. Step 5: Solve for x
    x = 75,068,053,422.16/310,971.23
  6. Step 6: Final answer
    x = 241,398.71

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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.