Finding the Fourth Proportional to 146,425.84, 202,068.84 and 79,357.84
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Solution
The fourth proportional to 146,425.84, 202,068.84 and 79,357.84 is: 109,514.46
Step by Step Solution
- Step 1: Write the proportion equation
146,425.84 : 202,068.84 = 79,357.84 : x - Step 2: Convert to fraction form
146,425.84/202,068.84 = 79,357.84/x - Step 3: Cross multiply
146,425.84x = 202,068.84 × 79,357.84 - Step 4: Simplify right side
146,425.84x = 16,035,746,673.71 - Step 5: Solve for x
x = 16,035,746,673.71/146,425.84 - Step 6: Final answer
x = 109,514.46
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1.5x scale
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.