Finding the Fourth Proportional to 294,689.19, 406,349.28 and 199,029.81
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Solution
The fourth proportional to 294,689.19, 406,349.28 and 199,029.81 is: 274,443.80
Step by Step Solution
- Step 1: Write the proportion equation
294,689.19 : 406,349.28 = 199,029.81 : x - Step 2: Convert to fraction form
294,689.19/406,349.28 = 199,029.81/x - Step 3: Cross multiply
294,689.19x = 406,349.28 × 199,029.81 - Step 4: Simplify right side
294,689.19x = 80,875,619,992.04 - Step 5: Solve for x
x = 80,875,619,992.04/294,689.19 - Step 6: Final answer
x = 274,443.80
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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.