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Finding the Fourth Proportional to 608,353.75, 912,464.90 and 203,500.07

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Solution

The fourth proportional to 608,353.75, 912,464.90 and 203,500.07 is: 305,228.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,353.75 : 912,464.90 = 203,500.07 : x
  2. Step 2: Convert to fraction form
    608,353.75/912,464.90 = 203,500.07/x
  3. Step 3: Cross multiply
    608,353.75x = 912,464.90 × 203,500.07
  4. Step 4: Simplify right side
    608,353.75x = 185,686,671,022.54
  5. Step 5: Solve for x
    x = 185,686,671,022.54/608,353.75
  6. Step 6: Final answer
    x = 305,228.12

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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.