Finding the Fourth Proportional to 482,909.09, 666,414.05 and 268,048.71
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Solution
The fourth proportional to 482,909.09, 666,414.05 and 268,048.71 is: 369,906.95
Step by Step Solution
- Step 1: Write the proportion equation
482,909.09 : 666,414.05 = 268,048.71 : x - Step 2: Convert to fraction form
482,909.09/666,414.05 = 268,048.71/x - Step 3: Cross multiply
482,909.09x = 666,414.05 × 268,048.71 - Step 4: Simplify right side
482,909.09x = 178,631,425,088.13 - Step 5: Solve for x
x = 178,631,425,088.13/482,909.09 - Step 6: Final answer
x = 369,906.95
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1.5x scale
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.