Finding the Fourth Proportional to 354,536.55, 489,897.59 and 269,505.99
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Solution
The fourth proportional to 354,536.55, 489,897.59 and 269,505.99 is: 372,402.60
Step by Step Solution
- Step 1: Write the proportion equation
354,536.55 : 489,897.59 = 269,505.99 : x - Step 2: Convert to fraction form
354,536.55/489,897.59 = 269,505.99/x - Step 3: Cross multiply
354,536.55x = 489,897.59 × 269,505.99 - Step 4: Simplify right side
354,536.55x = 132,030,333,644.03 - Step 5: Solve for x
x = 132,030,333,644.03/354,536.55 - Step 6: Final answer
x = 372,402.60
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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.