Finding the Fourth Proportional to 205,642.05, 283,784.08 and 114,996.98
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Solution
The fourth proportional to 205,642.05, 283,784.08 and 114,996.98 is: 158,694.74
Step by Step Solution
- Step 1: Write the proportion equation
205,642.05 : 283,784.08 = 114,996.98 : x - Step 2: Convert to fraction form
205,642.05/283,784.08 = 114,996.98/x - Step 3: Cross multiply
205,642.05x = 283,784.08 × 114,996.98 - Step 4: Simplify right side
205,642.05x = 32,634,312,172.08 - Step 5: Solve for x
x = 32,634,312,172.08/205,642.05 - Step 6: Final answer
x = 158,694.74
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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.