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Finding the Fourth Proportional to 295,297.20, 442,945.80 and 246,308.40

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Solution

The fourth proportional to 295,297.20, 442,945.80 and 246,308.40 is: 369,462.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,297.20 : 442,945.80 = 246,308.40 : x
  2. Step 2: Convert to fraction form
    295,297.20/442,945.80 = 246,308.40/x
  3. Step 3: Cross multiply
    295,297.20x = 442,945.80 × 246,308.40
  4. Step 4: Simplify right side
    295,297.20x = 109,101,271,284.72
  5. Step 5: Solve for x
    x = 109,101,271,284.72/295,297.20
  6. Step 6: Final answer
    x = 369,462.60

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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.