Finding the Fourth Proportional to 211,691.62, 292,124.46 and 114,893.28
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Solution
The fourth proportional to 211,691.62, 292,124.46 and 114,893.28 is: 158,547.31
Step by Step Solution
- Step 1: Write the proportion equation
211,691.62 : 292,124.46 = 114,893.28 : x - Step 2: Convert to fraction form
211,691.62/292,124.46 = 114,893.28/x - Step 3: Cross multiply
211,691.62x = 292,124.46 × 114,893.28 - Step 4: Simplify right side
211,691.62x = 33,563,137,377.63 - Step 5: Solve for x
x = 33,563,137,377.63/211,691.62 - Step 6: Final answer
x = 158,547.31
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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.