Finding the Fourth Proportional to 536,133.68, 739,872.94 and 291,118.26
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Solution
The fourth proportional to 536,133.68, 739,872.94 and 291,118.26 is: 401,747.79
Step by Step Solution
- Step 1: Write the proportion equation
536,133.68 : 739,872.94 = 291,118.26 : x - Step 2: Convert to fraction form
536,133.68/739,872.94 = 291,118.26/x - Step 3: Cross multiply
536,133.68x = 739,872.94 × 291,118.26 - Step 4: Simplify right side
536,133.68x = 215,390,522,913.88 - Step 5: Solve for x
x = 215,390,522,913.88/536,133.68 - Step 6: Final answer
x = 401,747.79
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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.