Finding the Fourth Proportional to 418,474.41, 577,557.72 and 255,225.62
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Solution
The fourth proportional to 418,474.41, 577,557.72 and 255,225.62 is: 352,249.80
Step by Step Solution
- Step 1: Write the proportion equation
418,474.41 : 577,557.72 = 255,225.62 : x - Step 2: Convert to fraction form
418,474.41/577,557.72 = 255,225.62/x - Step 3: Cross multiply
418,474.41x = 577,557.72 × 255,225.62 - Step 4: Simplify right side
418,474.41x = 147,407,527,172.79 - Step 5: Solve for x
x = 147,407,527,172.79/418,474.41 - Step 6: Final answer
x = 352,249.80
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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.