Home / 289,214.90-433,806.15-89,533.70

Finding the Fourth Proportional to 289,214.90, 433,806.15 and 89,533.70

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Solution

The fourth proportional to 289,214.90, 433,806.15 and 89,533.70 is: 134,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,214.90 : 433,806.15 = 89,533.70 : x
  2. Step 2: Convert to fraction form
    289,214.90/433,806.15 = 89,533.70/x
  3. Step 3: Cross multiply
    289,214.90x = 433,806.15 × 89,533.70
  4. Step 4: Simplify right side
    289,214.90x = 38,840,269,692.26
  5. Step 5: Solve for x
    x = 38,840,269,692.26/289,214.90
  6. Step 6: Final answer
    x = 134,295.53

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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.