Finding the Fourth Proportional to 217,456.10, 326,277.99 and 117,686.69
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Solution
The fourth proportional to 217,456.10, 326,277.99 and 117,686.69 is: 176,580.82
Step by Step Solution
- Step 1: Write the proportion equation
217,456.10 : 326,277.99 = 117,686.69 : x - Step 2: Convert to fraction form
217,456.10/326,277.99 = 117,686.69/x - Step 3: Cross multiply
217,456.10x = 326,277.99 × 117,686.69 - Step 4: Simplify right side
217,456.10x = 38,398,575,031.56 - Step 5: Solve for x
x = 38,398,575,031.56/217,456.10 - Step 6: Final answer
x = 176,580.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.