Finding the Fourth Proportional to 305,213.40, 457,726.44 and 211,048.68
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Solution
The fourth proportional to 305,213.40, 457,726.44 and 211,048.68 is: 316,508.26
Step by Step Solution
- Step 1: Write the proportion equation
305,213.40 : 457,726.44 = 211,048.68 : x - Step 2: Convert to fraction form
305,213.40/457,726.44 = 211,048.68/x - Step 3: Cross multiply
305,213.40x = 457,726.44 × 211,048.68 - Step 4: Simplify right side
305,213.40x = 96,602,560,963.10 - Step 5: Solve for x
x = 96,602,560,963.10/305,213.40 - Step 6: Final answer
x = 316,508.26
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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.