Finding the Fourth Proportional to 239,840.31, 330,970.96 and 132,408.06
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Solution
The fourth proportional to 239,840.31, 330,970.96 and 132,408.06 is: 182,718.33
Step by Step Solution
- Step 1: Write the proportion equation
239,840.31 : 330,970.96 = 132,408.06 : x - Step 2: Convert to fraction form
239,840.31/330,970.96 = 132,408.06/x - Step 3: Cross multiply
239,840.31x = 330,970.96 × 132,408.06 - Step 4: Simplify right side
239,840.31x = 43,823,221,654.31 - Step 5: Solve for x
x = 43,823,221,654.31/239,840.31 - Step 6: Final answer
x = 182,718.33
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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.