Finding the Fourth Proportional to 509,553.68, 703,177.08 and 283,194.32
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Solution
The fourth proportional to 509,553.68, 703,177.08 and 283,194.32 is: 390,804.27
Step by Step Solution
- Step 1: Write the proportion equation
509,553.68 : 703,177.08 = 283,194.32 : x - Step 2: Convert to fraction form
509,553.68/703,177.08 = 283,194.32/x - Step 3: Cross multiply
509,553.68x = 703,177.08 × 283,194.32 - Step 4: Simplify right side
509,553.68x = 199,135,755,010.19 - Step 5: Solve for x
x = 199,135,755,010.19/509,553.68 - Step 6: Final answer
x = 390,804.27
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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.