Finding the Fourth Proportional to 322,249.95, 482,638.62 and 153,888.21
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Solution
The fourth proportional to 322,249.95, 482,638.62 and 153,888.21 is: 230,480.70
Step by Step Solution
- Step 1: Write the proportion equation
322,249.95 : 482,638.62 = 153,888.21 : x - Step 2: Convert to fraction form
322,249.95/482,638.62 = 153,888.21/x - Step 3: Cross multiply
322,249.95x = 482,638.62 × 153,888.21 - Step 4: Simplify right side
322,249.95x = 74,272,393,308.67 - Step 5: Solve for x
x = 74,272,393,308.67/322,249.95 - Step 6: Final answer
x = 230,480.70
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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.