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Finding the Fourth Proportional to 230,298.84, 345,460.62 and 72,539.64

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Solution

The fourth proportional to 230,298.84, 345,460.62 and 72,539.64 is: 108,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,298.84 : 345,460.62 = 72,539.64 : x
  2. Step 2: Convert to fraction form
    230,298.84/345,460.62 = 72,539.64/x
  3. Step 3: Cross multiply
    230,298.84x = 345,460.62 × 72,539.64
  4. Step 4: Simplify right side
    230,298.84x = 25,059,589,008.98
  5. Step 5: Solve for x
    x = 25,059,589,008.98/230,298.84
  6. Step 6: Final answer
    x = 108,813.35

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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.