Home / 294,913.20-442,369.80-272,103.60

Finding the Fourth Proportional to 294,913.20, 442,369.80 and 272,103.60

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Solution

The fourth proportional to 294,913.20, 442,369.80 and 272,103.60 is: 408,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,913.20 : 442,369.80 = 272,103.60 : x
  2. Step 2: Convert to fraction form
    294,913.20/442,369.80 = 272,103.60/x
  3. Step 3: Cross multiply
    294,913.20x = 442,369.80 × 272,103.60
  4. Step 4: Simplify right side
    294,913.20x = 120,370,415,111.28
  5. Step 5: Solve for x
    x = 120,370,415,111.28/294,913.20
  6. Step 6: Final answer
    x = 408,155.40

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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.