Finding the Fourth Proportional to 212,036.84, 292,461.54 and 183,691.88
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Solution
The fourth proportional to 212,036.84, 292,461.54 and 183,691.88 is: 253,365.45
Step by Step Solution
- Step 1: Write the proportion equation
212,036.84 : 292,461.54 = 183,691.88 : x - Step 2: Convert to fraction form
212,036.84/292,461.54 = 183,691.88/x - Step 3: Cross multiply
212,036.84x = 292,461.54 × 183,691.88 - Step 4: Simplify right side
212,036.84x = 53,722,810,110.30 - Step 5: Solve for x
x = 53,722,810,110.30/212,036.84 - Step 6: Final answer
x = 253,365.45
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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.