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Finding the Fourth Proportional to 332,071.48, 458,239.98 and 188,866.36

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Solution

The fourth proportional to 332,071.48, 458,239.98 and 188,866.36 is: 260,624.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,071.48 : 458,239.98 = 188,866.36 : x
  2. Step 2: Convert to fraction form
    332,071.48/458,239.98 = 188,866.36/x
  3. Step 3: Cross multiply
    332,071.48x = 458,239.98 × 188,866.36
  4. Step 4: Simplify right side
    332,071.48x = 86,546,117,029.07
  5. Step 5: Solve for x
    x = 86,546,117,029.07/332,071.48
  6. Step 6: Final answer
    x = 260,624.96

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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.