Home / 307,015.06-423,674.40-171,048.82

Finding the Fourth Proportional to 307,015.06, 423,674.40 and 171,048.82

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Solution

The fourth proportional to 307,015.06, 423,674.40 and 171,048.82 is: 236,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,015.06 : 423,674.40 = 171,048.82 : x
  2. Step 2: Convert to fraction form
    307,015.06/423,674.40 = 171,048.82/x
  3. Step 3: Cross multiply
    307,015.06x = 423,674.40 × 171,048.82
  4. Step 4: Simplify right side
    307,015.06x = 72,469,006,184.21
  5. Step 5: Solve for x
    x = 72,469,006,184.21/307,015.06
  6. Step 6: Final answer
    x = 236,043.82

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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.