Finding the Fourth Proportional to 291,091.74, 436,612.59 and 177,209.99
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Solution
The fourth proportional to 291,091.74, 436,612.59 and 177,209.99 is: 265,799.76
Step by Step Solution
- Step 1: Write the proportion equation
291,091.74 : 436,612.59 = 177,209.99 : x - Step 2: Convert to fraction form
291,091.74/436,612.59 = 177,209.99/x - Step 3: Cross multiply
291,091.74x = 436,612.59 × 177,209.99 - Step 4: Simplify right side
291,091.74x = 77,372,112,707.77 - Step 5: Solve for x
x = 77,372,112,707.77/291,091.74 - Step 6: Final answer
x = 265,799.76
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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.