Finding the Fourth Proportional to 543,201.70, 814,802.55 and 318,669.70
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Solution
The fourth proportional to 543,201.70, 814,802.55 and 318,669.70 is: 478,004.55
Step by Step Solution
- Step 1: Write the proportion equation
543,201.70 : 814,802.55 = 318,669.70 : x - Step 2: Convert to fraction form
543,201.70/814,802.55 = 318,669.70/x - Step 3: Cross multiply
543,201.70x = 814,802.55 × 318,669.70 - Step 4: Simplify right side
543,201.70x = 259,652,884,167.74 - Step 5: Solve for x
x = 259,652,884,167.74/543,201.70 - Step 6: Final answer
x = 478,004.55
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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.