Finding the Fourth Proportional to 358,585.79, 494,866.57 and 203,547.99
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Solution
The fourth proportional to 358,585.79, 494,866.57 and 203,547.99 is: 280,906.55
Step by Step Solution
- Step 1: Write the proportion equation
358,585.79 : 494,866.57 = 203,547.99 : x - Step 2: Convert to fraction form
358,585.79/494,866.57 = 203,547.99/x - Step 3: Cross multiply
358,585.79x = 494,866.57 × 203,547.99 - Step 4: Simplify right side
358,585.79x = 100,729,095,641.69 - Step 5: Solve for x
x = 100,729,095,641.69/358,585.79 - Step 6: Final answer
x = 280,906.55
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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.