Finding the Fourth Proportional to 377,714.18, 521,275.02 and 207,978.68
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Solution
The fourth proportional to 377,714.18, 521,275.02 and 207,978.68 is: 287,026.80
Step by Step Solution
- Step 1: Write the proportion equation
377,714.18 : 521,275.02 = 207,978.68 : x - Step 2: Convert to fraction form
377,714.18/521,275.02 = 207,978.68/x - Step 3: Cross multiply
377,714.18x = 521,275.02 × 207,978.68 - Step 4: Simplify right side
377,714.18x = 108,414,090,576.57 - Step 5: Solve for x
x = 108,414,090,576.57/377,714.18 - Step 6: Final answer
x = 287,026.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.