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Finding the Fourth Proportional to 243,025.70, 364,538.55 and 168,230.30

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Solution

The fourth proportional to 243,025.70, 364,538.55 and 168,230.30 is: 252,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,025.70 : 364,538.55 = 168,230.30 : x
  2. Step 2: Convert to fraction form
    243,025.70/364,538.55 = 168,230.30/x
  3. Step 3: Cross multiply
    243,025.70x = 364,538.55 × 168,230.30
  4. Step 4: Simplify right side
    243,025.70x = 61,326,429,628.07
  5. Step 5: Solve for x
    x = 61,326,429,628.07/243,025.70
  6. Step 6: Final answer
    x = 252,345.45

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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.