Finding the Fourth Proportional to 290,853.12, 401,213.37 and 174,536.52
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Solution
The fourth proportional to 290,853.12, 401,213.37 and 174,536.52 is: 240,762.02
Step by Step Solution
- Step 1: Write the proportion equation
290,853.12 : 401,213.37 = 174,536.52 : x - Step 2: Convert to fraction form
290,853.12/401,213.37 = 174,536.52/x - Step 3: Cross multiply
290,853.12x = 401,213.37 × 174,536.52 - Step 4: Simplify right side
290,853.12x = 70,026,385,377.27 - Step 5: Solve for x
x = 70,026,385,377.27/290,853.12 - Step 6: Final answer
x = 240,762.02
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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.