Finding the Fourth Proportional to 427,689.06, 590,238.30 and 246,397.68
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Solution
The fourth proportional to 427,689.06, 590,238.30 and 246,397.68 is: 340,044.58
Step by Step Solution
- Step 1: Write the proportion equation
427,689.06 : 590,238.30 = 246,397.68 : x - Step 2: Convert to fraction form
427,689.06/590,238.30 = 246,397.68/x - Step 3: Cross multiply
427,689.06x = 590,238.30 × 246,397.68 - Step 4: Simplify right side
427,689.06x = 145,433,347,767.14 - Step 5: Solve for x
x = 145,433,347,767.14/427,689.06 - Step 6: Final answer
x = 340,044.58
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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.