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Finding the Fourth Proportional to 241,805.10, 362,707.65 and 212,280.60

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Solution

The fourth proportional to 241,805.10, 362,707.65 and 212,280.60 is: 318,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,805.10 : 362,707.65 = 212,280.60 : x
  2. Step 2: Convert to fraction form
    241,805.10/362,707.65 = 212,280.60/x
  3. Step 3: Cross multiply
    241,805.10x = 362,707.65 × 212,280.60
  4. Step 4: Simplify right side
    241,805.10x = 76,995,797,566.59
  5. Step 5: Solve for x
    x = 76,995,797,566.59/241,805.10
  6. Step 6: Final answer
    x = 318,420.90

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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.