Finding the Fourth Proportional to 842,748.68, 1,264,159.94 and 243,770.39
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Solution
The fourth proportional to 842,748.68, 1,264,159.94 and 243,770.39 is: 365,666.26
Step by Step Solution
- Step 1: Write the proportion equation
842,748.68 : 1,264,159.94 = 243,770.39 : x - Step 2: Convert to fraction form
842,748.68/1,264,159.94 = 243,770.39/x - Step 3: Cross multiply
842,748.68x = 1,264,159.94 × 243,770.39 - Step 4: Simplify right side
842,748.68x = 308,164,761,596.18 - Step 5: Solve for x
x = 308,164,761,596.18/842,748.68 - Step 6: Final answer
x = 365,666.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.