Finding the Fourth Proportional to 310,851.49, 466,277.21 and 86,211.92
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Solution
The fourth proportional to 310,851.49, 466,277.21 and 86,211.92 is: 129,317.88
Step by Step Solution
- Step 1: Write the proportion equation
310,851.49 : 466,277.21 = 86,211.92 : x - Step 2: Convert to fraction form
310,851.49/466,277.21 = 86,211.92/x - Step 3: Cross multiply
310,851.49x = 466,277.21 × 86,211.92 - Step 4: Simplify right side
310,851.49x = 40,198,654,826.74 - Step 5: Solve for x
x = 40,198,654,826.74/310,851.49 - Step 6: Final answer
x = 129,317.88
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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.