Finding the Fourth Proportional to 239,854.79, 331,000.11 and 132,425.03
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Solution
The fourth proportional to 239,854.79, 331,000.11 and 132,425.03 is: 182,746.82
Step by Step Solution
- Step 1: Write the proportion equation
239,854.79 : 331,000.11 = 132,425.03 : x - Step 2: Convert to fraction form
239,854.79/331,000.11 = 132,425.03/x - Step 3: Cross multiply
239,854.79x = 331,000.11 × 132,425.03 - Step 4: Simplify right side
239,854.79x = 43,832,699,496.75 - Step 5: Solve for x
x = 43,832,699,496.75/239,854.79 - Step 6: Final answer
x = 182,746.82
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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.