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Finding the Fourth Proportional to 475,361.01, 656,003.36 and 260,496.45

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Solution

The fourth proportional to 475,361.01, 656,003.36 and 260,496.45 is: 359,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,361.01 : 656,003.36 = 260,496.45 : x
  2. Step 2: Convert to fraction form
    475,361.01/656,003.36 = 260,496.45/x
  3. Step 3: Cross multiply
    475,361.01x = 656,003.36 × 260,496.45
  4. Step 4: Simplify right side
    475,361.01x = 170,886,546,468.07
  5. Step 5: Solve for x
    x = 170,886,546,468.07/475,361.01
  6. Step 6: Final answer
    x = 359,487.93

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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.