Finding the Fourth Proportional to 543,678.02, 750,284.94 and 298,673.08
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Solution
The fourth proportional to 543,678.02, 750,284.94 and 298,673.08 is: 412,173.94
Step by Step Solution
- Step 1: Write the proportion equation
543,678.02 : 750,284.94 = 298,673.08 : x - Step 2: Convert to fraction form
543,678.02/750,284.94 = 298,673.08/x - Step 3: Cross multiply
543,678.02x = 750,284.94 × 298,673.08 - Step 4: Simplify right side
543,678.02x = 224,089,913,907.42 - Step 5: Solve for x
x = 224,089,913,907.42/543,678.02 - Step 6: Final answer
x = 412,173.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.