Finding the Fourth Proportional to 180,186.86, 270,305.12 and 61,842.82
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Solution
The fourth proportional to 180,186.86, 270,305.12 and 61,842.82 is: 92,772.75
Step by Step Solution
- Step 1: Write the proportion equation
180,186.86 : 270,305.12 = 61,842.82 : x - Step 2: Convert to fraction form
180,186.86/270,305.12 = 61,842.82/x - Step 3: Cross multiply
180,186.86x = 270,305.12 × 61,842.82 - Step 4: Simplify right side
180,186.86x = 16,716,430,881.24 - Step 5: Solve for x
x = 16,716,430,881.24/180,186.86 - Step 6: Final answer
x = 92,772.75
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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.