Finding the Fourth Proportional to 647,979.87, 972,403.65 and 268,901.00
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Solution
The fourth proportional to 647,979.87, 972,403.65 and 268,901.00 is: 403,531.53
Step by Step Solution
- Step 1: Write the proportion equation
647,979.87 : 972,403.65 = 268,901.00 : x - Step 2: Convert to fraction form
647,979.87/972,403.65 = 268,901.00/x - Step 3: Cross multiply
647,979.87x = 972,403.65 × 268,901.00 - Step 4: Simplify right side
647,979.87x = 261,480,309,026.63 - Step 5: Solve for x
x = 261,480,309,026.63/647,979.87 - Step 6: Final answer
x = 403,531.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.