Finding the Fourth Proportional to 808,272.07, 1,212,436.75 and 201,063.55
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Solution
The fourth proportional to 808,272.07, 1,212,436.75 and 201,063.55 is: 301,602.45
Step by Step Solution
- Step 1: Write the proportion equation
808,272.07 : 1,212,436.75 = 201,063.55 : x - Step 2: Convert to fraction form
808,272.07/1,212,436.75 = 201,063.55/x - Step 3: Cross multiply
808,272.07x = 1,212,436.75 × 201,063.55 - Step 4: Simplify right side
808,272.07x = 243,776,837,105.46 - Step 5: Solve for x
x = 243,776,837,105.46/808,272.07 - Step 6: Final answer
x = 301,602.45
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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.