Finding the Fourth Proportional to 286,144.66, 429,638.33 and 160,031.99
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Solution
The fourth proportional to 286,144.66, 429,638.33 and 160,031.99 is: 240,283.63
Step by Step Solution
- Step 1: Write the proportion equation
286,144.66 : 429,638.33 = 160,031.99 : x - Step 2: Convert to fraction form
286,144.66/429,638.33 = 160,031.99/x - Step 3: Cross multiply
286,144.66x = 429,638.33 × 160,031.99 - Step 4: Simplify right side
286,144.66x = 68,755,876,930.18 - Step 5: Solve for x
x = 68,755,876,930.18/286,144.66 - Step 6: Final answer
x = 240,283.63
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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.