Home / 294,923.20-442,384.80-272,113.60

Finding the Fourth Proportional to 294,923.20, 442,384.80 and 272,113.60

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Solution

The fourth proportional to 294,923.20, 442,384.80 and 272,113.60 is: 408,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,923.20 : 442,384.80 = 272,113.60 : x
  2. Step 2: Convert to fraction form
    294,923.20/442,384.80 = 272,113.60/x
  3. Step 3: Cross multiply
    294,923.20x = 442,384.80 × 272,113.60
  4. Step 4: Simplify right side
    294,923.20x = 120,378,920,513.28
  5. Step 5: Solve for x
    x = 120,378,920,513.28/294,923.20
  6. Step 6: Final answer
    x = 408,170.40

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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.