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Finding the Fourth Proportional to 254,442.60, 380,886.30 and 254,442.60

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Solution

The fourth proportional to 254,442.60, 380,886.30 and 254,442.60 is: 380,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,442.60 : 380,886.30 = 254,442.60 : x
  2. Step 2: Convert to fraction form
    254,442.60/380,886.30 = 254,442.60/x
  3. Step 3: Cross multiply
    254,442.60x = 380,886.30 × 254,442.60
  4. Step 4: Simplify right side
    254,442.60x = 96,913,700,476.38
  5. Step 5: Solve for x
    x = 96,913,700,476.38/254,442.60
  6. Step 6: Final answer
    x = 380,886.30

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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.