Home / 376,928.85-519,988.38-231,602.70

Finding the Fourth Proportional to 376,928.85, 519,988.38 and 231,602.70

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Solution

The fourth proportional to 376,928.85, 519,988.38 and 231,602.70 is: 319,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,928.85 : 519,988.38 = 231,602.70 : x
  2. Step 2: Convert to fraction form
    376,928.85/519,988.38 = 231,602.70/x
  3. Step 3: Cross multiply
    376,928.85x = 519,988.38 × 231,602.70
  4. Step 4: Simplify right side
    376,928.85x = 120,430,712,776.63
  5. Step 5: Solve for x
    x = 120,430,712,776.63/376,928.85
  6. Step 6: Final answer
    x = 319,505.16

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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.