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Finding the Fourth Proportional to 243,027.60, 364,541.40 and 138,051.60

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Solution

The fourth proportional to 243,027.60, 364,541.40 and 138,051.60 is: 207,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,027.60 : 364,541.40 = 138,051.60 : x
  2. Step 2: Convert to fraction form
    243,027.60/364,541.40 = 138,051.60/x
  3. Step 3: Cross multiply
    243,027.60x = 364,541.40 × 138,051.60
  4. Step 4: Simplify right side
    243,027.60x = 50,325,523,536.24
  5. Step 5: Solve for x
    x = 50,325,523,536.24/243,027.60
  6. Step 6: Final answer
    x = 207,077.40

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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.