Finding the Fourth Proportional to 302,951.35, 418,053.84 and 166,977.81
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Solution
The fourth proportional to 302,951.35, 418,053.84 and 166,977.81 is: 230,418.89
Step by Step Solution
- Step 1: Write the proportion equation
302,951.35 : 418,053.84 = 166,977.81 : x - Step 2: Convert to fraction form
302,951.35/418,053.84 = 166,977.81/x - Step 3: Cross multiply
302,951.35x = 418,053.84 × 166,977.81 - Step 4: Simplify right side
302,951.35x = 69,805,714,665.29 - Step 5: Solve for x
x = 69,805,714,665.29/302,951.35 - Step 6: Final answer
x = 230,418.89
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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.