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Finding the Fourth Proportional to 325,854.30, 456,818.10 and 325,854.30

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Solution

The fourth proportional to 325,854.30, 456,818.10 and 325,854.30 is: 456,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,854.30 : 456,818.10 = 325,854.30 : x
  2. Step 2: Convert to fraction form
    325,854.30/456,818.10 = 325,854.30/x
  3. Step 3: Cross multiply
    325,854.30x = 456,818.10 × 325,854.30
  4. Step 4: Simplify right side
    325,854.30x = 148,856,142,202.83
  5. Step 5: Solve for x
    x = 148,856,142,202.83/325,854.30
  6. Step 6: Final answer
    x = 456,818.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.