Finding the Fourth Proportional to 400,392.06, 552,541.09 and 219,104.03
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Solution
The fourth proportional to 400,392.06, 552,541.09 and 219,104.03 is: 302,363.58
Step by Step Solution
- Step 1: Write the proportion equation
400,392.06 : 552,541.09 = 219,104.03 : x - Step 2: Convert to fraction form
400,392.06/552,541.09 = 219,104.03/x - Step 3: Cross multiply
400,392.06x = 552,541.09 × 219,104.03 - Step 4: Simplify right side
400,392.06x = 121,063,976,249.13 - Step 5: Solve for x
x = 121,063,976,249.13/400,392.06 - Step 6: Final answer
x = 302,363.58
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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.