Finding the Fourth Proportional to 349,589.78, 482,470.90 and 213,703.26
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Solution
The fourth proportional to 349,589.78, 482,470.90 and 213,703.26 is: 294,933.12
Step by Step Solution
- Step 1: Write the proportion equation
349,589.78 : 482,470.90 = 213,703.26 : x - Step 2: Convert to fraction form
349,589.78/482,470.90 = 213,703.26/x - Step 3: Cross multiply
349,589.78x = 482,470.90 × 213,703.26 - Step 4: Simplify right side
349,589.78x = 103,105,604,185.13 - Step 5: Solve for x
x = 103,105,604,185.13/349,589.78 - Step 6: Final answer
x = 294,933.12
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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.