Finding the Fourth Proportional to 366,547.36, 506,143.56 and 275,745.64
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Solution
The fourth proportional to 366,547.36, 506,143.56 and 275,745.64 is: 380,760.84
Step by Step Solution
- Step 1: Write the proportion equation
366,547.36 : 506,143.56 = 275,745.64 : x - Step 2: Convert to fraction form
366,547.36/506,143.56 = 275,745.64/x - Step 3: Cross multiply
366,547.36x = 506,143.56 × 275,745.64 - Step 4: Simplify right side
366,547.36x = 139,566,879,884.08 - Step 5: Solve for x
x = 139,566,879,884.08/366,547.36 - Step 6: Final answer
x = 380,760.84
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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.