Finding the Fourth Proportional to 379,390.41, 523,802.84 and 243,482.94
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Solution
The fourth proportional to 379,390.41, 523,802.84 and 243,482.94 is: 336,163.09
Step by Step Solution
- Step 1: Write the proportion equation
379,390.41 : 523,802.84 = 243,482.94 : x - Step 2: Convert to fraction form
379,390.41/523,802.84 = 243,482.94/x - Step 3: Cross multiply
379,390.41x = 523,802.84 × 243,482.94 - Step 4: Simplify right side
379,390.41x = 127,537,054,246.14 - Step 5: Solve for x
x = 127,537,054,246.14/379,390.41 - Step 6: Final answer
x = 336,163.09
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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.