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Finding the Fourth Proportional to 370,963.88, 556,071.93 and 146,237.34

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Solution

The fourth proportional to 370,963.88, 556,071.93 and 146,237.34 is: 219,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,963.88 : 556,071.93 = 146,237.34 : x
  2. Step 2: Convert to fraction form
    370,963.88/556,071.93 = 146,237.34/x
  3. Step 3: Cross multiply
    370,963.88x = 556,071.93 × 146,237.34
  4. Step 4: Simplify right side
    370,963.88x = 81,318,479,891.87
  5. Step 5: Solve for x
    x = 81,318,479,891.87/370,963.88
  6. Step 6: Final answer
    x = 219,208.62

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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.