Finding the Fourth Proportional to 357,917.91, 535,708.62 and 263,122.98
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Solution
The fourth proportional to 357,917.91, 535,708.62 and 263,122.98 is: 393,825.64
Step by Step Solution
- Step 1: Write the proportion equation
357,917.91 : 535,708.62 = 263,122.98 : x - Step 2: Convert to fraction form
357,917.91/535,708.62 = 263,122.98/x - Step 3: Cross multiply
357,917.91x = 535,708.62 × 263,122.98 - Step 4: Simplify right side
357,917.91x = 140,957,248,506.09 - Step 5: Solve for x
x = 140,957,248,506.09/357,917.91 - Step 6: Final answer
x = 393,825.64
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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.