Home / 314,729.80-434,327.04-171,489.73

Finding the Fourth Proportional to 314,729.80, 434,327.04 and 171,489.73

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Solution

The fourth proportional to 314,729.80, 434,327.04 and 171,489.73 is: 236,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,729.80 : 434,327.04 = 171,489.73 : x
  2. Step 2: Convert to fraction form
    314,729.80/434,327.04 = 171,489.73/x
  3. Step 3: Cross multiply
    314,729.80x = 434,327.04 × 171,489.73
  4. Step 4: Simplify right side
    314,729.80x = 74,482,627,289.07
  5. Step 5: Solve for x
    x = 74,482,627,289.07/314,729.80
  6. Step 6: Final answer
    x = 236,655.78

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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.