Finding the Fourth Proportional to 400,674.36, 552,930.39 and 219,386.18
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Solution
The fourth proportional to 400,674.36, 552,930.39 and 219,386.18 is: 302,752.80
Step by Step Solution
- Step 1: Write the proportion equation
400,674.36 : 552,930.39 = 219,386.18 : x - Step 2: Convert to fraction form
400,674.36/552,930.39 = 219,386.18/x - Step 3: Cross multiply
400,674.36x = 552,930.39 × 219,386.18 - Step 4: Simplify right side
400,674.36x = 121,305,283,303.36 - Step 5: Solve for x
x = 121,305,283,303.36/400,674.36 - Step 6: Final answer
x = 302,752.80
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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.