Finding the Fourth Proportional to 465,588.68, 698,616.74 and 212,846.66
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Solution
The fourth proportional to 465,588.68, 698,616.74 and 212,846.66 is: 319,376.84
Step by Step Solution
- Step 1: Write the proportion equation
465,588.68 : 698,616.74 = 212,846.66 : x - Step 2: Convert to fraction form
465,588.68/698,616.74 = 212,846.66/x - Step 3: Cross multiply
465,588.68x = 698,616.74 × 212,846.66 - Step 4: Simplify right side
465,588.68x = 148,698,239,729.09 - Step 5: Solve for x
x = 148,698,239,729.09/465,588.68 - Step 6: Final answer
x = 319,376.84
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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.