Finding the Fourth Proportional to 302,994.78, 418,135.74 and 167,034.06
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Solution
The fourth proportional to 302,994.78, 418,135.74 and 167,034.06 is: 230,508.63
Step by Step Solution
- Step 1: Write the proportion equation
302,994.78 : 418,135.74 = 167,034.06 : x - Step 2: Convert to fraction form
302,994.78/418,135.74 = 167,034.06/x - Step 3: Cross multiply
302,994.78x = 418,135.74 × 167,034.06 - Step 4: Simplify right side
302,994.78x = 69,842,910,283.30 - Step 5: Solve for x
x = 69,842,910,283.30/302,994.78 - Step 6: Final answer
x = 230,508.63
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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.