Finding the Fourth Proportional to 436,703.13, 602,662.10 and 245,723.31
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Solution
The fourth proportional to 436,703.13, 602,662.10 and 245,723.31 is: 339,104.79
Step by Step Solution
- Step 1: Write the proportion equation
436,703.13 : 602,662.10 = 245,723.31 : x - Step 2: Convert to fraction form
436,703.13/602,662.10 = 245,723.31/x - Step 3: Cross multiply
436,703.13x = 602,662.10 × 245,723.31 - Step 4: Simplify right side
436,703.13x = 148,088,124,794.93 - Step 5: Solve for x
x = 148,088,124,794.93/436,703.13 - Step 6: Final answer
x = 339,104.79
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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.