Finding the Fourth Proportional to 219,114.18, 302,377.59 and 118,512.18
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Solution
The fourth proportional to 219,114.18, 302,377.59 and 118,512.18 is: 163,546.82
Step by Step Solution
- Step 1: Write the proportion equation
219,114.18 : 302,377.59 = 118,512.18 : x - Step 2: Convert to fraction form
219,114.18/302,377.59 = 118,512.18/x - Step 3: Cross multiply
219,114.18x = 302,377.59 × 118,512.18 - Step 4: Simplify right side
219,114.18x = 35,835,427,374.05 - Step 5: Solve for x
x = 35,835,427,374.05/219,114.18 - Step 6: Final answer
x = 163,546.82
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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.