Finding the Fourth Proportional to 753,162.95, 1,129,689.72 and 247,718.09
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Solution
The fourth proportional to 753,162.95, 1,129,689.72 and 247,718.09 is: 371,559.14
Step by Step Solution
- Step 1: Write the proportion equation
753,162.95 : 1,129,689.72 = 247,718.09 : x - Step 2: Convert to fraction form
753,162.95/1,129,689.72 = 247,718.09/x - Step 3: Cross multiply
753,162.95x = 1,129,689.72 × 247,718.09 - Step 4: Simplify right side
753,162.95x = 279,844,574,082.59 - Step 5: Solve for x
x = 279,844,574,082.59/753,162.95 - Step 6: Final answer
x = 371,559.14
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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.