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Finding the Fourth Proportional to 370,975.68, 556,087.68 and 146,248.47

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Solution

The fourth proportional to 370,975.68, 556,087.68 and 146,248.47 is: 219,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,975.68 : 556,087.68 = 146,248.47 : x
  2. Step 2: Convert to fraction form
    370,975.68/556,087.68 = 146,248.47/x
  3. Step 3: Cross multiply
    370,975.68x = 556,087.68 × 146,248.47
  4. Step 4: Simplify right side
    370,975.68x = 81,326,972,385.85
  5. Step 5: Solve for x
    x = 81,326,972,385.85/370,975.68
  6. Step 6: Final answer
    x = 219,224.54

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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.