Finding the Fourth Proportional to 293,045.79, 439,245.77 and 191,722.08
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Solution
The fourth proportional to 293,045.79, 439,245.77 and 191,722.08 is: 287,371.85
Step by Step Solution
- Step 1: Write the proportion equation
293,045.79 : 439,245.77 = 191,722.08 : x - Step 2: Convert to fraction form
293,045.79/439,245.77 = 191,722.08/x - Step 3: Cross multiply
293,045.79x = 439,245.77 × 191,722.08 - Step 4: Simplify right side
293,045.79x = 84,213,111,696.99 - Step 5: Solve for x
x = 84,213,111,696.99/293,045.79 - Step 6: Final answer
x = 287,371.85
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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.