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Finding the Fourth Proportional to 235,099.42, 324,457.30 and 133,142.90

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Solution

The fourth proportional to 235,099.42, 324,457.30 and 133,142.90 is: 183,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,099.42 : 324,457.30 = 133,142.90 : x
  2. Step 2: Convert to fraction form
    235,099.42/324,457.30 = 133,142.90/x
  3. Step 3: Cross multiply
    235,099.42x = 324,457.30 × 133,142.90
  4. Step 4: Simplify right side
    235,099.42x = 43,199,185,848.17
  5. Step 5: Solve for x
    x = 43,199,185,848.17/235,099.42
  6. Step 6: Final answer
    x = 183,748.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.