Finding the Fourth Proportional to 517,088.13, 775,635.63 and 180,135.15
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Solution
The fourth proportional to 517,088.13, 775,635.63 and 180,135.15 is: 270,203.92
Step by Step Solution
- Step 1: Write the proportion equation
517,088.13 : 775,635.63 = 180,135.15 : x - Step 2: Convert to fraction form
517,088.13/775,635.63 = 180,135.15/x - Step 3: Cross multiply
517,088.13x = 775,635.63 × 180,135.15 - Step 4: Simplify right side
517,088.13x = 139,719,240,555.40 - Step 5: Solve for x
x = 139,719,240,555.40/517,088.13 - Step 6: Final answer
x = 270,203.92
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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.