Finding the Fourth Proportional to 361,583.79, 542,454.99 and 136,945.88
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Solution
The fourth proportional to 361,583.79, 542,454.99 and 136,945.88 is: 205,448.86
Step by Step Solution
- Step 1: Write the proportion equation
361,583.79 : 542,454.99 = 136,945.88 : x - Step 2: Convert to fraction form
361,583.79/542,454.99 = 136,945.88/x - Step 3: Cross multiply
361,583.79x = 542,454.99 × 136,945.88 - Step 4: Simplify right side
361,583.79x = 74,286,975,965.94 - Step 5: Solve for x
x = 74,286,975,965.94/361,583.79 - Step 6: Final answer
x = 205,448.86
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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.