Finding the Fourth Proportional to 331,116.72, 456,927.52 and 187,873.68
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Solution
The fourth proportional to 331,116.72, 456,927.52 and 187,873.68 is: 259,257.99
Step by Step Solution
- Step 1: Write the proportion equation
331,116.72 : 456,927.52 = 187,873.68 : x - Step 2: Convert to fraction form
331,116.72/456,927.52 = 187,873.68/x - Step 3: Cross multiply
331,116.72x = 456,927.52 × 187,873.68 - Step 4: Simplify right side
331,116.72x = 85,844,654,675.67 - Step 5: Solve for x
x = 85,844,654,675.67/331,116.72 - Step 6: Final answer
x = 259,257.99
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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.