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Finding the Fourth Proportional to 307,692.40, 461,586.12 and 130,200.40

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Solution

The fourth proportional to 307,692.40, 461,586.12 and 130,200.40 is: 195,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,692.40 : 461,586.12 = 130,200.40 : x
  2. Step 2: Convert to fraction form
    307,692.40/461,586.12 = 130,200.40/x
  3. Step 3: Cross multiply
    307,692.40x = 461,586.12 × 130,200.40
  4. Step 4: Simplify right side
    307,692.40x = 60,098,697,458.45
  5. Step 5: Solve for x
    x = 60,098,697,458.45/307,692.40
  6. Step 6: Final answer
    x = 195,320.71

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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.