Home / 331,131.35-456,971.02-234,508.07

Finding the Fourth Proportional to 331,131.35, 456,971.02 and 234,508.07

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Solution

The fourth proportional to 331,131.35, 456,971.02 and 234,508.07 is: 323,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,131.35 : 456,971.02 = 234,508.07 : x
  2. Step 2: Convert to fraction form
    331,131.35/456,971.02 = 234,508.07/x
  3. Step 3: Cross multiply
    331,131.35x = 456,971.02 × 234,508.07
  4. Step 4: Simplify right side
    331,131.35x = 107,163,391,946.13
  5. Step 5: Solve for x
    x = 107,163,391,946.13/331,131.35
  6. Step 6: Final answer
    x = 323,628.05

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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.