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Finding the Fourth Proportional to 370,435.77, 555,653.66 and 133,773.21

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Solution

The fourth proportional to 370,435.77, 555,653.66 and 133,773.21 is: 200,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,435.77 : 555,653.66 = 133,773.21 : x
  2. Step 2: Convert to fraction form
    370,435.77/555,653.66 = 133,773.21/x
  3. Step 3: Cross multiply
    370,435.77x = 555,653.66 × 133,773.21
  4. Step 4: Simplify right side
    370,435.77x = 74,331,573,077.58
  5. Step 5: Solve for x
    x = 74,331,573,077.58/370,435.77
  6. Step 6: Final answer
    x = 200,659.82

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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.