Finding the Fourth Proportional to 308,438.08, 462,904.08 and 298,596.80
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Solution
The fourth proportional to 308,438.08, 462,904.08 and 298,596.80 is: 448,134.28
Step by Step Solution
- Step 1: Write the proportion equation
308,438.08 : 462,904.08 = 298,596.80 : x - Step 2: Convert to fraction form
308,438.08/462,904.08 = 298,596.80/x - Step 3: Cross multiply
308,438.08x = 462,904.08 × 298,596.80 - Step 4: Simplify right side
308,438.08x = 138,221,676,994.94 - Step 5: Solve for x
x = 138,221,676,994.94/308,438.08 - Step 6: Final answer
x = 448,134.28
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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.