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Finding the Fourth Proportional to 235,572.91, 353,014.91 and 146,555.93

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Solution

The fourth proportional to 235,572.91, 353,014.91 and 146,555.93 is: 219,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,572.91 : 353,014.91 = 146,555.93 : x
  2. Step 2: Convert to fraction form
    235,572.91/353,014.91 = 146,555.93/x
  3. Step 3: Cross multiply
    235,572.91x = 353,014.91 × 146,555.93
  4. Step 4: Simplify right side
    235,572.91x = 51,736,429,138.26
  5. Step 5: Solve for x
    x = 51,736,429,138.26/235,572.91
  6. Step 6: Final answer
    x = 219,619.61

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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.