Finding the Fourth Proportional to 598,749.84, 898,268.28 and 199,394.07
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Solution
The fourth proportional to 598,749.84, 898,268.28 and 199,394.07 is: 299,138.90
Step by Step Solution
- Step 1: Write the proportion equation
598,749.84 : 898,268.28 = 199,394.07 : x - Step 2: Convert to fraction form
598,749.84/898,268.28 = 199,394.07/x - Step 3: Cross multiply
598,749.84x = 898,268.28 × 199,394.07 - Step 4: Simplify right side
598,749.84x = 179,109,368,301.10 - Step 5: Solve for x
x = 179,109,368,301.10/598,749.84 - Step 6: Final answer
x = 299,138.90
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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.