Finding the Fourth Proportional to 323,580.71, 446,542.88 and 187,695.11
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Solution
The fourth proportional to 323,580.71, 446,542.88 and 187,695.11 is: 259,020.12
Step by Step Solution
- Step 1: Write the proportion equation
323,580.71 : 446,542.88 = 187,695.11 : x - Step 2: Convert to fraction form
323,580.71/446,542.88 = 187,695.11/x - Step 3: Cross multiply
323,580.71x = 446,542.88 × 187,695.11 - Step 4: Simplify right side
323,580.71x = 83,813,911,810.13 - Step 5: Solve for x
x = 83,813,911,810.13/323,580.71 - Step 6: Final answer
x = 259,020.12
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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.