Finding the Fourth Proportional to 290,701.17, 401,190.06 and 174,418.99
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Solution
The fourth proportional to 290,701.17, 401,190.06 and 174,418.99 is: 240,711.67
Step by Step Solution
- Step 1: Write the proportion equation
290,701.17 : 401,190.06 = 174,418.99 : x - Step 2: Convert to fraction form
290,701.17/401,190.06 = 174,418.99/x - Step 3: Cross multiply
290,701.17x = 401,190.06 × 174,418.99 - Step 4: Simplify right side
290,701.17x = 69,975,164,714.34 - Step 5: Solve for x
x = 69,975,164,714.34/290,701.17 - Step 6: Final answer
x = 240,711.67
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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.