Finding the Fourth Proportional to 318,758.63, 439,876.58 and 175,514.99
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Solution
The fourth proportional to 318,758.63, 439,876.58 and 175,514.99 is: 242,204.99
Step by Step Solution
- Step 1: Write the proportion equation
318,758.63 : 439,876.58 = 175,514.99 : x - Step 2: Convert to fraction form
318,758.63/439,876.58 = 175,514.99/x - Step 3: Cross multiply
318,758.63x = 439,876.58 × 175,514.99 - Step 4: Simplify right side
318,758.63x = 77,204,930,462.98 - Step 5: Solve for x
x = 77,204,930,462.98/318,758.63 - Step 6: Final answer
x = 242,204.99
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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.