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Finding the Fourth Proportional to 295,342.40, 443,013.60 and 275,513.60

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Solution

The fourth proportional to 295,342.40, 443,013.60 and 275,513.60 is: 413,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,342.40 : 443,013.60 = 275,513.60 : x
  2. Step 2: Convert to fraction form
    295,342.40/443,013.60 = 275,513.60/x
  3. Step 3: Cross multiply
    295,342.40x = 443,013.60 × 275,513.60
  4. Step 4: Simplify right side
    295,342.40x = 122,056,271,784.96
  5. Step 5: Solve for x
    x = 122,056,271,784.96/295,342.40
  6. Step 6: Final answer
    x = 413,270.40

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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.