Finding the Fourth Proportional to 379,069.08, 520,366.71 and 375,526.68
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Solution
The fourth proportional to 379,069.08, 520,366.71 and 375,526.68 is: 515,503.88
Step by Step Solution
- Step 1: Write the proportion equation
379,069.08 : 520,366.71 = 375,526.68 : x - Step 2: Convert to fraction form
379,069.08/520,366.71 = 375,526.68/x - Step 3: Cross multiply
379,069.08x = 520,366.71 × 375,526.68 - Step 4: Simplify right side
379,069.08x = 195,411,582,988.82 - Step 5: Solve for x
x = 195,411,582,988.82/379,069.08 - Step 6: Final answer
x = 515,503.88
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.