Finding the Fourth Proportional to 247,721.84, 341,855.88 and 134,544.68
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Solution
The fourth proportional to 247,721.84, 341,855.88 and 134,544.68 is: 185,671.52
Step by Step Solution
- Step 1: Write the proportion equation
247,721.84 : 341,855.88 = 134,544.68 : x - Step 2: Convert to fraction form
247,721.84/341,855.88 = 134,544.68/x - Step 3: Cross multiply
247,721.84x = 341,855.88 × 134,544.68 - Step 4: Simplify right side
247,721.84x = 45,994,889,980.72 - Step 5: Solve for x
x = 45,994,889,980.72/247,721.84 - Step 6: Final answer
x = 185,671.52
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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.