Home / 304,836.40-457,254.60-198,548.20

Finding the Fourth Proportional to 304,836.40, 457,254.60 and 198,548.20

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Solution

The fourth proportional to 304,836.40, 457,254.60 and 198,548.20 is: 297,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,836.40 : 457,254.60 = 198,548.20 : x
  2. Step 2: Convert to fraction form
    304,836.40/457,254.60 = 198,548.20/x
  3. Step 3: Cross multiply
    304,836.40x = 457,254.60 × 198,548.20
  4. Step 4: Simplify right side
    304,836.40x = 90,787,077,771.72
  5. Step 5: Solve for x
    x = 90,787,077,771.72/304,836.40
  6. Step 6: Final answer
    x = 297,822.30

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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.