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Finding the Fourth Proportional to 475,224.36, 655,809.63 and 260,372.58

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Solution

The fourth proportional to 475,224.36, 655,809.63 and 260,372.58 is: 359,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,224.36 : 655,809.63 = 260,372.58 : x
  2. Step 2: Convert to fraction form
    475,224.36/655,809.63 = 260,372.58/x
  3. Step 3: Cross multiply
    475,224.36x = 655,809.63 × 260,372.58
  4. Step 4: Simplify right side
    475,224.36x = 170,754,845,351.95
  5. Step 5: Solve for x
    x = 170,754,845,351.95/475,224.36
  6. Step 6: Final answer
    x = 359,314.17

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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.