Finding the Fourth Proportional to 418,051.06, 576,811.63 and 245,976.55
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Solution
The fourth proportional to 418,051.06, 576,811.63 and 245,976.55 is: 339,389.49
Step by Step Solution
- Step 1: Write the proportion equation
418,051.06 : 576,811.63 = 245,976.55 : x - Step 2: Convert to fraction form
418,051.06/576,811.63 = 245,976.55/x - Step 3: Cross multiply
418,051.06x = 576,811.63 × 245,976.55 - Step 4: Simplify right side
418,051.06x = 141,882,133,612.72 - Step 5: Solve for x
x = 141,882,133,612.72/418,051.06 - Step 6: Final answer
x = 339,389.49
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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.