Finding the Fourth Proportional to 319,279.11, 440,603.51 and 174,092.68
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Solution
The fourth proportional to 319,279.11, 440,603.51 and 174,092.68 is: 240,246.99
Step by Step Solution
- Step 1: Write the proportion equation
319,279.11 : 440,603.51 = 174,092.68 : x - Step 2: Convert to fraction form
319,279.11/440,603.51 = 174,092.68/x - Step 3: Cross multiply
319,279.11x = 440,603.51 × 174,092.68 - Step 4: Simplify right side
319,279.11x = 76,705,845,873.31 - Step 5: Solve for x
x = 76,705,845,873.31/319,279.11 - Step 6: Final answer
x = 240,246.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.