Home / 341,739.20-512,608.80-223,774.40

Finding the Fourth Proportional to 341,739.20, 512,608.80 and 223,774.40

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Solution

The fourth proportional to 341,739.20, 512,608.80 and 223,774.40 is: 335,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,739.20 : 512,608.80 = 223,774.40 : x
  2. Step 2: Convert to fraction form
    341,739.20/512,608.80 = 223,774.40/x
  3. Step 3: Cross multiply
    341,739.20x = 512,608.80 × 223,774.40
  4. Step 4: Simplify right side
    341,739.20x = 114,708,726,654.72
  5. Step 5: Solve for x
    x = 114,708,726,654.72/341,739.20
  6. Step 6: Final answer
    x = 335,661.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.