Finding the Fourth Proportional to 240,376.68, 331,714.80 and 149,686.92
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Solution
The fourth proportional to 240,376.68, 331,714.80 and 149,686.92 is: 206,564.82
Step by Step Solution
- Step 1: Write the proportion equation
240,376.68 : 331,714.80 = 149,686.92 : x - Step 2: Convert to fraction form
240,376.68/331,714.80 = 149,686.92/x - Step 3: Cross multiply
240,376.68x = 331,714.80 × 149,686.92 - Step 4: Simplify right side
240,376.68x = 49,653,366,730.42 - Step 5: Solve for x
x = 49,653,366,730.42/240,376.68 - Step 6: Final answer
x = 206,564.82
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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.