Finding the Fourth Proportional to 517,684.68, 775,665.36 and 180,539.40
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Solution
The fourth proportional to 517,684.68, 775,665.36 and 180,539.40 is: 270,508.60
Step by Step Solution
- Step 1: Write the proportion equation
517,684.68 : 775,665.36 = 180,539.40 : x - Step 2: Convert to fraction form
517,684.68/775,665.36 = 180,539.40/x - Step 3: Cross multiply
517,684.68x = 775,665.36 × 180,539.40 - Step 4: Simplify right side
517,684.68x = 140,038,158,695.18 - Step 5: Solve for x
x = 140,038,158,695.18/517,684.68 - Step 6: Final answer
x = 270,508.60
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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.