Home / 371,669.06-512,944.26-208,341.20

Finding the Fourth Proportional to 371,669.06, 512,944.26 and 208,341.20

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Solution

The fourth proportional to 371,669.06, 512,944.26 and 208,341.20 is: 287,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,669.06 : 512,944.26 = 208,341.20 : x
  2. Step 2: Convert to fraction form
    371,669.06/512,944.26 = 208,341.20/x
  3. Step 3: Cross multiply
    371,669.06x = 512,944.26 × 208,341.20
  4. Step 4: Simplify right side
    371,669.06x = 106,867,422,661.51
  5. Step 5: Solve for x
    x = 106,867,422,661.51/371,669.06
  6. Step 6: Final answer
    x = 287,533.81

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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.