Finding the Fourth Proportional to 279,101.43, 385,337.93 and 183,772.53
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Solution
The fourth proportional to 279,101.43, 385,337.93 and 183,772.53 is: 253,723.26
Step by Step Solution
- Step 1: Write the proportion equation
279,101.43 : 385,337.93 = 183,772.53 : x - Step 2: Convert to fraction form
279,101.43/385,337.93 = 183,772.53/x - Step 3: Cross multiply
279,101.43x = 385,337.93 × 183,772.53 - Step 4: Simplify right side
279,101.43x = 70,814,525,382.20 - Step 5: Solve for x
x = 70,814,525,382.20/279,101.43 - Step 6: Final answer
x = 253,723.26
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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.