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Finding the Fourth Proportional to 181,539.60, 272,309.40 and 163,824.90

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Solution

The fourth proportional to 181,539.60, 272,309.40 and 163,824.90 is: 245,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,539.60 : 272,309.40 = 163,824.90 : x
  2. Step 2: Convert to fraction form
    181,539.60/272,309.40 = 163,824.90/x
  3. Step 3: Cross multiply
    181,539.60x = 272,309.40 × 163,824.90
  4. Step 4: Simplify right side
    181,539.60x = 44,611,060,224.06
  5. Step 5: Solve for x
    x = 44,611,060,224.06/181,539.60
  6. Step 6: Final answer
    x = 245,737.35

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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.