Home / 306,995.20-423,666.45-171,029.07

Finding the Fourth Proportional to 306,995.20, 423,666.45 and 171,029.07

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Solution

The fourth proportional to 306,995.20, 423,666.45 and 171,029.07 is: 236,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,995.20 : 423,666.45 = 171,029.07 : x
  2. Step 2: Convert to fraction form
    306,995.20/423,666.45 = 171,029.07/x
  3. Step 3: Cross multiply
    306,995.20x = 423,666.45 × 171,029.07
  4. Step 4: Simplify right side
    306,995.20x = 72,459,278,933.70
  5. Step 5: Solve for x
    x = 72,459,278,933.70/306,995.20
  6. Step 6: Final answer
    x = 236,027.40

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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.