Home / 384,961.79-577,436.33-115,090.56

Finding the Fourth Proportional to 384,961.79, 577,436.33 and 115,090.56

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Solution

The fourth proportional to 384,961.79, 577,436.33 and 115,090.56 is: 172,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,961.79 : 577,436.33 = 115,090.56 : x
  2. Step 2: Convert to fraction form
    384,961.79/577,436.33 = 115,090.56/x
  3. Step 3: Cross multiply
    384,961.79x = 577,436.33 × 115,090.56
  4. Step 4: Simplify right side
    384,961.79x = 66,457,470,008.59
  5. Step 5: Solve for x
    x = 66,457,470,008.59/384,961.79
  6. Step 6: Final answer
    x = 172,633.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.