Finding the Fourth Proportional to 179,497.17, 247,694.95 and 98,920.18
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Solution
The fourth proportional to 179,497.17, 247,694.95 and 98,920.18 is: 136,503.71
Step by Step Solution
- Step 1: Write the proportion equation
179,497.17 : 247,694.95 = 98,920.18 : x - Step 2: Convert to fraction form
179,497.17/247,694.95 = 98,920.18/x - Step 3: Cross multiply
179,497.17x = 247,694.95 × 98,920.18 - Step 4: Simplify right side
179,497.17x = 24,502,029,039.09 - Step 5: Solve for x
x = 24,502,029,039.09/179,497.17 - Step 6: Final answer
x = 136,503.71
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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.