Finding the Fourth Proportional to 245,160.84, 338,437.80 and 163,624.08
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Solution
The fourth proportional to 245,160.84, 338,437.80 and 163,624.08 is: 225,878.54
Step by Step Solution
- Step 1: Write the proportion equation
245,160.84 : 338,437.80 = 163,624.08 : x - Step 2: Convert to fraction form
245,160.84/338,437.80 = 163,624.08/x - Step 3: Cross multiply
245,160.84x = 338,437.80 × 163,624.08 - Step 4: Simplify right side
245,160.84x = 55,376,573,662.22 - Step 5: Solve for x
x = 55,376,573,662.22/245,160.84 - Step 6: Final answer
x = 225,878.54
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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.