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Finding the Fourth Proportional to 307,199.79, 461,004.64 and 107,520.18

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Solution

The fourth proportional to 307,199.79, 461,004.64 and 107,520.18 is: 161,352.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,199.79 : 461,004.64 = 107,520.18 : x
  2. Step 2: Convert to fraction form
    307,199.79/461,004.64 = 107,520.18/x
  3. Step 3: Cross multiply
    307,199.79x = 461,004.64 × 107,520.18
  4. Step 4: Simplify right side
    307,199.79x = 49,567,302,488.55
  5. Step 5: Solve for x
    x = 49,567,302,488.55/307,199.79
  6. Step 6: Final answer
    x = 161,352.01

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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.