Finding the Fourth Proportional to 276,314.99, 381,503.27 and 203,726.63
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Solution
The fourth proportional to 276,314.99, 381,503.27 and 203,726.63 is: 281,281.79
Step by Step Solution
- Step 1: Write the proportion equation
276,314.99 : 381,503.27 = 203,726.63 : x - Step 2: Convert to fraction form
276,314.99/381,503.27 = 203,726.63/x - Step 3: Cross multiply
276,314.99x = 381,503.27 × 203,726.63 - Step 4: Simplify right side
276,314.99x = 77,722,372,604.93 - Step 5: Solve for x
x = 77,722,372,604.93/276,314.99 - Step 6: Final answer
x = 281,281.79
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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.