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Finding the Fourth Proportional to 300,302.70, 450,089.55 and 173,699.70

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Solution

The fourth proportional to 300,302.70, 450,089.55 and 173,699.70 is: 260,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,302.70 : 450,089.55 = 173,699.70 : x
  2. Step 2: Convert to fraction form
    300,302.70/450,089.55 = 173,699.70/x
  3. Step 3: Cross multiply
    300,302.70x = 450,089.55 × 173,699.70
  4. Step 4: Simplify right side
    300,302.70x = 78,180,419,808.14
  5. Step 5: Solve for x
    x = 78,180,419,808.14/300,302.70
  6. Step 6: Final answer
    x = 260,338.72

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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.