Finding the Fourth Proportional to 218,951.88, 302,153.53 and 118,349.88
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Solution
The fourth proportional to 218,951.88, 302,153.53 and 118,349.88 is: 163,322.80
Step by Step Solution
- Step 1: Write the proportion equation
218,951.88 : 302,153.53 = 118,349.88 : x - Step 2: Convert to fraction form
218,951.88/302,153.53 = 118,349.88/x - Step 3: Cross multiply
218,951.88x = 302,153.53 × 118,349.88 - Step 4: Simplify right side
218,951.88x = 35,759,834,017.08 - Step 5: Solve for x
x = 35,759,834,017.08/218,951.88 - Step 6: Final answer
x = 163,322.80
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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.