Finding the Fourth Proportional to 354,988.77, 489,904.43 and 193,858.80
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Solution
The fourth proportional to 354,988.77, 489,904.43 and 193,858.80 is: 267,536.02
Step by Step Solution
- Step 1: Write the proportion equation
354,988.77 : 489,904.43 = 193,858.80 : x - Step 2: Convert to fraction form
354,988.77/489,904.43 = 193,858.80/x - Step 3: Cross multiply
354,988.77x = 489,904.43 × 193,858.80 - Step 4: Simplify right side
354,988.77x = 94,972,283,945.19 - Step 5: Solve for x
x = 94,972,283,945.19/354,988.77 - Step 6: Final answer
x = 267,536.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.