Finding the Fourth Proportional to 439,616.36, 606,703.20 and 246,043.52
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Solution
The fourth proportional to 439,616.36, 606,703.20 and 246,043.52 is: 339,558.32
Step by Step Solution
- Step 1: Write the proportion equation
439,616.36 : 606,703.20 = 246,043.52 : x - Step 2: Convert to fraction form
439,616.36/606,703.20 = 246,043.52/x - Step 3: Cross multiply
439,616.36x = 606,703.20 × 246,043.52 - Step 4: Simplify right side
439,616.36x = 149,275,390,923.26 - Step 5: Solve for x
x = 149,275,390,923.26/439,616.36 - Step 6: Final answer
x = 339,558.32
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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.