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Finding the Fourth Proportional to 235,950.30, 325,670.34 and 145,383.96

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Solution

The fourth proportional to 235,950.30, 325,670.34 and 145,383.96 is: 200,666.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,950.30 : 325,670.34 = 145,383.96 : x
  2. Step 2: Convert to fraction form
    235,950.30/325,670.34 = 145,383.96/x
  3. Step 3: Cross multiply
    235,950.30x = 325,670.34 × 145,383.96
  4. Step 4: Simplify right side
    235,950.30x = 47,347,243,683.75
  5. Step 5: Solve for x
    x = 47,347,243,683.75/235,950.30
  6. Step 6: Final answer
    x = 200,666.17

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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.