Home / 344,127.09-475,068.06-215,137.22

Finding the Fourth Proportional to 344,127.09, 475,068.06 and 215,137.22

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Solution

The fourth proportional to 344,127.09, 475,068.06 and 215,137.22 is: 296,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,127.09 : 475,068.06 = 215,137.22 : x
  2. Step 2: Convert to fraction form
    344,127.09/475,068.06 = 215,137.22/x
  3. Step 3: Cross multiply
    344,127.09x = 475,068.06 × 215,137.22
  4. Step 4: Simplify right side
    344,127.09x = 102,204,822,926.86
  5. Step 5: Solve for x
    x = 102,204,822,926.86/344,127.09
  6. Step 6: Final answer
    x = 296,997.32

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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.