Finding the Fourth Proportional to 536,140.91, 739,852.29 and 291,116.09
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Solution
The fourth proportional to 536,140.91, 739,852.29 and 291,116.09 is: 401,728.17
Step by Step Solution
- Step 1: Write the proportion equation
536,140.91 : 739,852.29 = 291,116.09 : x - Step 2: Convert to fraction form
536,140.91/739,852.29 = 291,116.09/x - Step 3: Cross multiply
536,140.91x = 739,852.29 × 291,116.09 - Step 4: Simplify right side
536,140.91x = 215,382,907,691.98 - Step 5: Solve for x
x = 215,382,907,691.98/536,140.91 - Step 6: Final answer
x = 401,728.17
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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.