Finding the Fourth Proportional to 135,887.06, 203,910.77 and 51,718.08
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Solution
The fourth proportional to 135,887.06, 203,910.77 and 51,718.08 is: 77,607.64
Step by Step Solution
- Step 1: Write the proportion equation
135,887.06 : 203,910.77 = 51,718.08 : x - Step 2: Convert to fraction form
135,887.06/203,910.77 = 51,718.08/x - Step 3: Cross multiply
135,887.06x = 203,910.77 × 51,718.08 - Step 4: Simplify right side
135,887.06x = 10,545,873,515.72 - Step 5: Solve for x
x = 10,545,873,515.72/135,887.06 - Step 6: Final answer
x = 77,607.64
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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.