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Finding the Fourth Proportional to 300,303.30, 450,141.15 and 100,459.29

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Solution

The fourth proportional to 300,303.30, 450,141.15 and 100,459.29 is: 150,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,303.30 : 450,141.15 = 100,459.29 : x
  2. Step 2: Convert to fraction form
    300,303.30/450,141.15 = 100,459.29/x
  3. Step 3: Cross multiply
    300,303.30x = 450,141.15 × 100,459.29
  4. Step 4: Simplify right side
    300,303.30x = 45,220,860,328.78
  5. Step 5: Solve for x
    x = 45,220,860,328.78/300,303.30
  6. Step 6: Final answer
    x = 150,583.96

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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.