Finding the Fourth Proportional to 412,616.10, 569,409.75 and 231,328.08
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Solution
The fourth proportional to 412,616.10, 569,409.75 and 231,328.08 is: 319,232.49
Step by Step Solution
- Step 1: Write the proportion equation
412,616.10 : 569,409.75 = 231,328.08 : x - Step 2: Convert to fraction form
412,616.10/569,409.75 = 231,328.08/x - Step 3: Cross multiply
412,616.10x = 569,409.75 × 231,328.08 - Step 4: Simplify right side
412,616.10x = 131,720,464,200.78 - Step 5: Solve for x
x = 131,720,464,200.78/412,616.10 - Step 6: Final answer
x = 319,232.49
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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.