Home / 307,004.08-423,659.20-171,037.84

Finding the Fourth Proportional to 307,004.08, 423,659.20 and 171,037.84

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Solution

The fourth proportional to 307,004.08, 423,659.20 and 171,037.84 is: 236,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,004.08 : 423,659.20 = 171,037.84 : x
  2. Step 2: Convert to fraction form
    307,004.08/423,659.20 = 171,037.84/x
  3. Step 3: Cross multiply
    307,004.08x = 423,659.20 × 171,037.84
  4. Step 4: Simplify right side
    307,004.08x = 72,461,754,464.13
  5. Step 5: Solve for x
    x = 72,461,754,464.13/307,004.08
  6. Step 6: Final answer
    x = 236,028.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.