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Finding the Fourth Proportional to 369,954.51, 510,538.56 and 200,188.62

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Solution

The fourth proportional to 369,954.51, 510,538.56 and 200,188.62 is: 276,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,954.51 : 510,538.56 = 200,188.62 : x
  2. Step 2: Convert to fraction form
    369,954.51/510,538.56 = 200,188.62/x
  3. Step 3: Cross multiply
    369,954.51x = 510,538.56 × 200,188.62
  4. Step 4: Simplify right side
    369,954.51x = 102,204,009,783.19
  5. Step 5: Solve for x
    x = 102,204,009,783.19/369,954.51
  6. Step 6: Final answer
    x = 276,261.02

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1.5x scale

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.