Finding the Fourth Proportional to 279,184.14, 385,275.93 and 151,860.63
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Solution
The fourth proportional to 279,184.14, 385,275.93 and 151,860.63 is: 209,568.66
Step by Step Solution
- Step 1: Write the proportion equation
279,184.14 : 385,275.93 = 151,860.63 : x - Step 2: Convert to fraction form
279,184.14/385,275.93 = 151,860.63/x - Step 3: Cross multiply
279,184.14x = 385,275.93 × 151,860.63 - Step 4: Simplify right side
279,184.14x = 58,508,245,453.64 - Step 5: Solve for x
x = 58,508,245,453.64/279,184.14 - Step 6: Final answer
x = 209,568.66
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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.