Finding the Fourth Proportional to 284,211.70, 426,511.95 and 157,851.70
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Solution
The fourth proportional to 284,211.70, 426,511.95 and 157,851.70 is: 236,885.52
Step by Step Solution
- Step 1: Write the proportion equation
284,211.70 : 426,511.95 = 157,851.70 : x - Step 2: Convert to fraction form
284,211.70/426,511.95 = 157,851.70/x - Step 3: Cross multiply
284,211.70x = 426,511.95 × 157,851.70 - Step 4: Simplify right side
284,211.70x = 67,325,636,377.82 - Step 5: Solve for x
x = 67,325,636,377.82/284,211.70 - Step 6: Final answer
x = 236,885.52
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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.