Home / 288,652.11-433,048.55-203,429.12

Finding the Fourth Proportional to 288,652.11, 433,048.55 and 203,429.12

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Solution

The fourth proportional to 288,652.11, 433,048.55 and 203,429.12 is: 305,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,652.11 : 433,048.55 = 203,429.12 : x
  2. Step 2: Convert to fraction form
    288,652.11/433,048.55 = 203,429.12/x
  3. Step 3: Cross multiply
    288,652.11x = 433,048.55 × 203,429.12
  4. Step 4: Simplify right side
    288,652.11x = 88,094,686,413.72
  5. Step 5: Solve for x
    x = 88,094,686,413.72/288,652.11
  6. Step 6: Final answer
    x = 305,193.29

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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.