Finding the Fourth Proportional to 400,961.34, 553,349.88 and 219,673.62
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Solution
The fourth proportional to 400,961.34, 553,349.88 and 219,673.62 is: 303,162.32
Step by Step Solution
- Step 1: Write the proportion equation
400,961.34 : 553,349.88 = 219,673.62 : x - Step 2: Convert to fraction form
400,961.34/553,349.88 = 219,673.62/x - Step 3: Cross multiply
400,961.34x = 553,349.88 × 219,673.62 - Step 4: Simplify right side
400,961.34x = 121,556,371,266.17 - Step 5: Solve for x
x = 121,556,371,266.17/400,961.34 - Step 6: Final answer
x = 303,162.32
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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.