Finding the Fourth Proportional to 213,316.68, 319,975.04 and 55,544.68
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Solution
The fourth proportional to 213,316.68, 319,975.04 and 55,544.68 is: 83,317.03
Step by Step Solution
- Step 1: Write the proportion equation
213,316.68 : 319,975.04 = 55,544.68 : x - Step 2: Convert to fraction form
213,316.68/319,975.04 = 55,544.68/x - Step 3: Cross multiply
213,316.68x = 319,975.04 × 55,544.68 - Step 4: Simplify right side
213,316.68x = 17,772,911,204.79 - Step 5: Solve for x
x = 17,772,911,204.79/213,316.68 - Step 6: Final answer
x = 83,317.03
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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.