Finding the Fourth Proportional to 496,668.80, 745,118.88 and 141,687.68
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Solution
The fourth proportional to 496,668.80, 745,118.88 and 141,687.68 is: 212,564.52
Step by Step Solution
- Step 1: Write the proportion equation
496,668.80 : 745,118.88 = 141,687.68 : x - Step 2: Convert to fraction form
496,668.80/745,118.88 = 141,687.68/x - Step 3: Cross multiply
496,668.80x = 745,118.88 × 141,687.68 - Step 4: Simplify right side
496,668.80x = 105,574,165,431.40 - Step 5: Solve for x
x = 105,574,165,431.40/496,668.80 - Step 6: Final answer
x = 212,564.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.