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Finding the Fourth Proportional to 275,955.17, 380,849.71 and 153,459.77

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Solution

The fourth proportional to 275,955.17, 380,849.71 and 153,459.77 is: 211,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,955.17 : 380,849.71 = 153,459.77 : x
  2. Step 2: Convert to fraction form
    275,955.17/380,849.71 = 153,459.77/x
  3. Step 3: Cross multiply
    275,955.17x = 380,849.71 × 153,459.77
  4. Step 4: Simplify right side
    275,955.17x = 58,445,108,901.17
  5. Step 5: Solve for x
    x = 58,445,108,901.17/275,955.17
  6. Step 6: Final answer
    x = 211,792.04

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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.