Finding the Fourth Proportional to 309,243.96, 463,078.35 and 203,743.08
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Solution
The fourth proportional to 309,243.96, 463,078.35 and 203,743.08 is: 305,095.72
Step by Step Solution
- Step 1: Write the proportion equation
309,243.96 : 463,078.35 = 203,743.08 : x - Step 2: Convert to fraction form
309,243.96/463,078.35 = 203,743.08/x - Step 3: Cross multiply
309,243.96x = 463,078.35 × 203,743.08 - Step 4: Simplify right side
309,243.96x = 94,349,009,310.32 - Step 5: Solve for x
x = 94,349,009,310.32/309,243.96 - Step 6: Final answer
x = 305,095.72
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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.