Finding the Fourth Proportional to 215,476.70, 297,354.99 and 118,678.68
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Solution
The fourth proportional to 215,476.70, 297,354.99 and 118,678.68 is: 163,775.01
Step by Step Solution
- Step 1: Write the proportion equation
215,476.70 : 297,354.99 = 118,678.68 : x - Step 2: Convert to fraction form
215,476.70/297,354.99 = 118,678.68/x - Step 3: Cross multiply
215,476.70x = 297,354.99 × 118,678.68 - Step 4: Simplify right side
215,476.70x = 35,289,697,704.61 - Step 5: Solve for x
x = 35,289,697,704.61/215,476.70 - Step 6: Final answer
x = 163,775.01
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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.