Finding the Fourth Proportional to 357,469.24, 536,203.56 and 91,229.80
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Solution
The fourth proportional to 357,469.24, 536,203.56 and 91,229.80 is: 136,844.62
Step by Step Solution
- Step 1: Write the proportion equation
357,469.24 : 536,203.56 = 91,229.80 : x - Step 2: Convert to fraction form
357,469.24/536,203.56 = 91,229.80/x - Step 3: Cross multiply
357,469.24x = 536,203.56 × 91,229.80 - Step 4: Simplify right side
357,469.24x = 48,917,743,538.09 - Step 5: Solve for x
x = 48,917,743,538.09/357,469.24 - Step 6: Final answer
x = 136,844.62
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1.5x scale
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.