Finding the Fourth Proportional to 671,162.09, 926,203.41 and 369,356.09
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Solution
The fourth proportional to 671,162.09, 926,203.41 and 369,356.09 is: 509,711.25
Step by Step Solution
- Step 1: Write the proportion equation
671,162.09 : 926,203.41 = 369,356.09 : x - Step 2: Convert to fraction form
671,162.09/926,203.41 = 369,356.09/x - Step 3: Cross multiply
671,162.09x = 926,203.41 × 369,356.09 - Step 4: Simplify right side
671,162.09x = 342,098,865,431.25 - Step 5: Solve for x
x = 342,098,865,431.25/671,162.09 - Step 6: Final answer
x = 509,711.25
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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.