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Finding the Fourth Proportional to 258,059.99, 356,150.70 and 156,141.65

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Solution

The fourth proportional to 258,059.99, 356,150.70 and 156,141.65 is: 215,492.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,059.99 : 356,150.70 = 156,141.65 : x
  2. Step 2: Convert to fraction form
    258,059.99/356,150.70 = 156,141.65/x
  3. Step 3: Cross multiply
    258,059.99x = 356,150.70 × 156,141.65
  4. Step 4: Simplify right side
    258,059.99x = 55,609,957,946.66
  5. Step 5: Solve for x
    x = 55,609,957,946.66/258,059.99
  6. Step 6: Final answer
    x = 215,492.37

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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.