Home / 289,364.76-433,522.20-213,650.82

Finding the Fourth Proportional to 289,364.76, 433,522.20 and 213,650.82

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Solution

The fourth proportional to 289,364.76, 433,522.20 and 213,650.82 is: 320,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,364.76 : 433,522.20 = 213,650.82 : x
  2. Step 2: Convert to fraction form
    289,364.76/433,522.20 = 213,650.82/x
  3. Step 3: Cross multiply
    289,364.76x = 433,522.20 × 213,650.82
  4. Step 4: Simplify right side
    289,364.76x = 92,622,373,518.20
  5. Step 5: Solve for x
    x = 92,622,373,518.20/289,364.76
  6. Step 6: Final answer
    x = 320,088.64

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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.