Home / 371,558.03-512,781.70-210,441.74

Finding the Fourth Proportional to 371,558.03, 512,781.70 and 210,441.74

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Solution

The fourth proportional to 371,558.03, 512,781.70 and 210,441.74 is: 290,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,558.03 : 512,781.70 = 210,441.74 : x
  2. Step 2: Convert to fraction form
    371,558.03/512,781.70 = 210,441.74/x
  3. Step 3: Cross multiply
    371,558.03x = 512,781.70 × 210,441.74
  4. Step 4: Simplify right side
    371,558.03x = 107,910,672,230.86
  5. Step 5: Solve for x
    x = 107,910,672,230.86/371,558.03
  6. Step 6: Final answer
    x = 290,427.51

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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.