Home / 374,245.15-516,295.35-229,057.40

Finding the Fourth Proportional to 374,245.15, 516,295.35 and 229,057.40

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Solution

The fourth proportional to 374,245.15, 516,295.35 and 229,057.40 is: 315,999.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,245.15 : 516,295.35 = 229,057.40 : x
  2. Step 2: Convert to fraction form
    374,245.15/516,295.35 = 229,057.40/x
  3. Step 3: Cross multiply
    374,245.15x = 516,295.35 × 229,057.40
  4. Step 4: Simplify right side
    374,245.15x = 118,261,268,494.26
  5. Step 5: Solve for x
    x = 118,261,268,494.26/374,245.15
  6. Step 6: Final answer
    x = 315,999.47

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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.