Finding the Fourth Proportional to 631,296.84, 946,948.80 and 210,571.56
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Solution
The fourth proportional to 631,296.84, 946,948.80 and 210,571.56 is: 315,858.52
Step by Step Solution
- Step 1: Write the proportion equation
631,296.84 : 946,948.80 = 210,571.56 : x - Step 2: Convert to fraction form
631,296.84/946,948.80 = 210,571.56/x - Step 3: Cross multiply
631,296.84x = 946,948.80 × 210,571.56 - Step 4: Simplify right side
631,296.84x = 199,400,486,056.13 - Step 5: Solve for x
x = 199,400,486,056.13/631,296.84 - Step 6: Final answer
x = 315,858.52
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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.