Finding the Fourth Proportional to 218,949.13, 302,149.74 and 118,347.13
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Solution
The fourth proportional to 218,949.13, 302,149.74 and 118,347.13 is: 163,319.01
Step by Step Solution
- Step 1: Write the proportion equation
218,949.13 : 302,149.74 = 118,347.13 : x - Step 2: Convert to fraction form
218,949.13/302,149.74 = 118,347.13/x - Step 3: Cross multiply
218,949.13x = 302,149.74 × 118,347.13 - Step 4: Simplify right side
218,949.13x = 35,758,554,559.25 - Step 5: Solve for x
x = 35,758,554,559.25/218,949.13 - Step 6: Final answer
x = 163,319.01
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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.