Finding the Fourth Proportional to 239,823.79, 330,952.64 and 132,391.06
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Solution
The fourth proportional to 239,823.79, 330,952.64 and 132,391.06 is: 182,697.35
Step by Step Solution
- Step 1: Write the proportion equation
239,823.79 : 330,952.64 = 132,391.06 : x - Step 2: Convert to fraction form
239,823.79/330,952.64 = 132,391.06/x - Step 3: Cross multiply
239,823.79x = 330,952.64 × 132,391.06 - Step 4: Simplify right side
239,823.79x = 43,815,169,330.06 - Step 5: Solve for x
x = 43,815,169,330.06/239,823.79 - Step 6: Final answer
x = 182,697.35
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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.