Home / 307,167.24-423,892.86-171,209.92

Finding the Fourth Proportional to 307,167.24, 423,892.86 and 171,209.92

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Solution

The fourth proportional to 307,167.24, 423,892.86 and 171,209.92 is: 236,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,167.24 : 423,892.86 = 171,209.92 : x
  2. Step 2: Convert to fraction form
    307,167.24/423,892.86 = 171,209.92/x
  3. Step 3: Cross multiply
    307,167.24x = 423,892.86 × 171,209.92
  4. Step 4: Simplify right side
    307,167.24x = 72,574,662,649.17
  5. Step 5: Solve for x
    x = 72,574,662,649.17/307,167.24
  6. Step 6: Final answer
    x = 236,270.84

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1.5x scale

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.