Finding the Fourth Proportional to 551,749.80, 827,624.70 and 219,325.80
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Solution
The fourth proportional to 551,749.80, 827,624.70 and 219,325.80 is: 328,988.70
Step by Step Solution
- Step 1: Write the proportion equation
551,749.80 : 827,624.70 = 219,325.80 : x - Step 2: Convert to fraction form
551,749.80/827,624.70 = 219,325.80/x - Step 3: Cross multiply
551,749.80x = 827,624.70 × 219,325.80 - Step 4: Simplify right side
551,749.80x = 181,519,449,427.26 - Step 5: Solve for x
x = 181,519,449,427.26/551,749.80 - Step 6: Final answer
x = 328,988.70
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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.