Home / 307,027.22-423,728.70-171,083.30

Finding the Fourth Proportional to 307,027.22, 423,728.70 and 171,083.30

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Solution

The fourth proportional to 307,027.22, 423,728.70 and 171,083.30 is: 236,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,027.22 : 423,728.70 = 171,083.30 : x
  2. Step 2: Convert to fraction form
    307,027.22/423,728.70 = 171,083.30/x
  3. Step 3: Cross multiply
    307,027.22x = 423,728.70 × 171,083.30
  4. Step 4: Simplify right side
    307,027.22x = 72,492,904,300.71
  5. Step 5: Solve for x
    x = 72,492,904,300.71/307,027.22
  6. Step 6: Final answer
    x = 236,112.30

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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.