Finding the Fourth Proportional to 284,212.70, 426,513.45 and 157,852.70
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Solution
The fourth proportional to 284,212.70, 426,513.45 and 157,852.70 is: 236,887.02
Step by Step Solution
- Step 1: Write the proportion equation
284,212.70 : 426,513.45 = 157,852.70 : x - Step 2: Convert to fraction form
284,212.70/426,513.45 = 157,852.70/x - Step 3: Cross multiply
284,212.70x = 426,513.45 × 157,852.70 - Step 4: Simplify right side
284,212.70x = 67,326,299,668.82 - Step 5: Solve for x
x = 67,326,299,668.82/284,212.70 - Step 6: Final answer
x = 236,887.02
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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.