Finding the Fourth Proportional to 493,461.64, 680,976.88 and 267,107.14
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Solution
The fourth proportional to 493,461.64, 680,976.88 and 267,107.14 is: 368,607.75
Step by Step Solution
- Step 1: Write the proportion equation
493,461.64 : 680,976.88 = 267,107.14 : x - Step 2: Convert to fraction form
493,461.64/680,976.88 = 267,107.14/x - Step 3: Cross multiply
493,461.64x = 680,976.88 × 267,107.14 - Step 4: Simplify right side
493,461.64x = 181,893,786,822.92 - Step 5: Solve for x
x = 181,893,786,822.92/493,461.64 - Step 6: Final answer
x = 368,607.75
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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.