Finding the Fourth Proportional to 215,319.94, 322,762.79 and 135,415.01
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Solution
The fourth proportional to 215,319.94, 322,762.79 and 135,415.01 is: 202,985.96
Step by Step Solution
- Step 1: Write the proportion equation
215,319.94 : 322,762.79 = 135,415.01 : x - Step 2: Convert to fraction form
215,319.94/322,762.79 = 135,415.01/x - Step 3: Cross multiply
215,319.94x = 322,762.79 × 135,415.01 - Step 4: Simplify right side
215,319.94x = 43,706,925,160.20 - Step 5: Solve for x
x = 43,706,925,160.20/215,319.94 - Step 6: Final answer
x = 202,985.96
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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.