Finding the Fourth Proportional to 613,353.24, 920,218.08 and 314,043.96
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Solution
The fourth proportional to 613,353.24, 920,218.08 and 314,043.96 is: 471,162.31
Step by Step Solution
- Step 1: Write the proportion equation
613,353.24 : 920,218.08 = 314,043.96 : x - Step 2: Convert to fraction form
613,353.24/920,218.08 = 314,043.96/x - Step 3: Cross multiply
613,353.24x = 920,218.08 × 314,043.96 - Step 4: Simplify right side
613,353.24x = 288,988,929,906.80 - Step 5: Solve for x
x = 288,988,929,906.80/613,353.24 - Step 6: Final answer
x = 471,162.31
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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.