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Finding the Fourth Proportional to 233,993.50, 351,026.79 and 76,184.80

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Solution

The fourth proportional to 233,993.50, 351,026.79 and 76,184.80 is: 114,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,993.50 : 351,026.79 = 76,184.80 : x
  2. Step 2: Convert to fraction form
    233,993.50/351,026.79 = 76,184.80/x
  3. Step 3: Cross multiply
    233,993.50x = 351,026.79 × 76,184.80
  4. Step 4: Simplify right side
    233,993.50x = 26,742,905,790.79
  5. Step 5: Solve for x
    x = 26,742,905,790.79/233,993.50
  6. Step 6: Final answer
    x = 114,289.10

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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.