Finding the Fourth Proportional to 211,951.84, 319,341.47 and 191,711.99
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Solution
The fourth proportional to 211,951.84, 319,341.47 and 191,711.99 is: 288,846.70
Step by Step Solution
- Step 1: Write the proportion equation
211,951.84 : 319,341.47 = 191,711.99 : x - Step 2: Convert to fraction form
211,951.84/319,341.47 = 191,711.99/x - Step 3: Cross multiply
211,951.84x = 319,341.47 × 191,711.99 - Step 4: Simplify right side
211,951.84x = 61,221,588,703.23 - Step 5: Solve for x
x = 61,221,588,703.23/211,951.84 - Step 6: Final answer
x = 288,846.70
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.