Home / 300,314.48-450,455.93-75,674.75

Finding the Fourth Proportional to 300,314.48, 450,455.93 and 75,674.75

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Solution

The fourth proportional to 300,314.48, 450,455.93 and 75,674.75 is: 113,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,314.48 : 450,455.93 = 75,674.75 : x
  2. Step 2: Convert to fraction form
    300,314.48/450,455.93 = 75,674.75/x
  3. Step 3: Cross multiply
    300,314.48x = 450,455.93 × 75,674.75
  4. Step 4: Simplify right side
    300,314.48x = 34,088,139,510.39
  5. Step 5: Solve for x
    x = 34,088,139,510.39/300,314.48
  6. Step 6: Final answer
    x = 113,508.14

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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.