Finding the Fourth Proportional to 218,937.09, 302,133.06 and 118,335.09
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Solution
The fourth proportional to 218,937.09, 302,133.06 and 118,335.09 is: 163,302.36
Step by Step Solution
- Step 1: Write the proportion equation
218,937.09 : 302,133.06 = 118,335.09 : x - Step 2: Convert to fraction form
218,937.09/302,133.06 = 118,335.09/x - Step 3: Cross multiply
218,937.09x = 302,133.06 × 118,335.09 - Step 4: Simplify right side
218,937.09x = 35,752,942,847.08 - Step 5: Solve for x
x = 35,752,942,847.08/218,937.09 - Step 6: Final answer
x = 163,302.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.