Home / 300,437.98-450,645.19-75,795.62

Finding the Fourth Proportional to 300,437.98, 450,645.19 and 75,795.62

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Solution

The fourth proportional to 300,437.98, 450,645.19 and 75,795.62 is: 113,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,437.98 : 450,645.19 = 75,795.62 : x
  2. Step 2: Convert to fraction form
    300,437.98/450,645.19 = 75,795.62/x
  3. Step 3: Cross multiply
    300,437.98x = 450,645.19 × 75,795.62
  4. Step 4: Simplify right side
    300,437.98x = 34,156,929,133.35
  5. Step 5: Solve for x
    x = 34,156,929,133.35/300,437.98
  6. Step 6: Final answer
    x = 113,690.45

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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.