Finding the Fourth Proportional to 179,292.80, 247,422.06 and 98,718.68
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Solution
The fourth proportional to 179,292.80, 247,422.06 and 98,718.68 is: 136,230.67
Step by Step Solution
- Step 1: Write the proportion equation
179,292.80 : 247,422.06 = 98,718.68 : x - Step 2: Convert to fraction form
179,292.80/247,422.06 = 98,718.68/x - Step 3: Cross multiply
179,292.80x = 247,422.06 × 98,718.68 - Step 4: Simplify right side
179,292.80x = 24,425,179,166.08 - Step 5: Solve for x
x = 24,425,179,166.08/179,292.80 - Step 6: Final answer
x = 136,230.67
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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.