Finding the Fourth Proportional to 355,672.24, 490,603.30 and 248,203.06
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Solution
The fourth proportional to 355,672.24, 490,603.30 and 248,203.06 is: 342,363.63
Step by Step Solution
- Step 1: Write the proportion equation
355,672.24 : 490,603.30 = 248,203.06 : x - Step 2: Convert to fraction form
355,672.24/490,603.30 = 248,203.06/x - Step 3: Cross multiply
355,672.24x = 490,603.30 × 248,203.06 - Step 4: Simplify right side
355,672.24x = 121,769,240,306.10 - Step 5: Solve for x
x = 121,769,240,306.10/355,672.24 - Step 6: Final answer
x = 342,363.63
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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.