Finding the Fourth Proportional to 876,377.75, 1,314,566.63 and 211,529.75
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Solution
The fourth proportional to 876,377.75, 1,314,566.63 and 211,529.75 is: 317,294.63
Step by Step Solution
- Step 1: Write the proportion equation
876,377.75 : 1,314,566.63 = 211,529.75 : x - Step 2: Convert to fraction form
876,377.75/1,314,566.63 = 211,529.75/x - Step 3: Cross multiply
876,377.75x = 1,314,566.63 × 211,529.75 - Step 4: Simplify right side
876,377.75x = 278,069,950,602.24 - Step 5: Solve for x
x = 278,069,950,602.24/876,377.75 - Step 6: Final answer
x = 317,294.63
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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.