Finding the Fourth Proportional to 357,512.58, 536,268.42 and 91,273.14
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Solution
The fourth proportional to 357,512.58, 536,268.42 and 91,273.14 is: 136,909.60
Step by Step Solution
- Step 1: Write the proportion equation
357,512.58 : 536,268.42 = 91,273.14 : x - Step 2: Convert to fraction form
357,512.58/536,268.42 = 91,273.14/x - Step 3: Cross multiply
357,512.58x = 536,268.42 × 91,273.14 - Step 4: Simplify right side
357,512.58x = 48,946,902,576.24 - Step 5: Solve for x
x = 48,946,902,576.24/357,512.58 - Step 6: Final answer
x = 136,909.60
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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.