Finding the Fourth Proportional to 241,194.13, 361,535.94 and 81,117.68
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Solution
The fourth proportional to 241,194.13, 361,535.94 and 81,117.68 is: 121,590.67
Step by Step Solution
- Step 1: Write the proportion equation
241,194.13 : 361,535.94 = 81,117.68 : x - Step 2: Convert to fraction form
241,194.13/361,535.94 = 81,117.68/x - Step 3: Cross multiply
241,194.13x = 361,535.94 × 81,117.68 - Step 4: Simplify right side
241,194.13x = 29,326,954,881.74 - Step 5: Solve for x
x = 29,326,954,881.74/241,194.13 - Step 6: Final answer
x = 121,590.67
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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.