Finding the Fourth Proportional to 543,206.73, 749,763.08 and 371,194.32
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Solution
The fourth proportional to 543,206.73, 749,763.08 and 371,194.32 is: 512,342.32
Step by Step Solution
- Step 1: Write the proportion equation
543,206.73 : 749,763.08 = 371,194.32 : x - Step 2: Convert to fraction form
543,206.73/749,763.08 = 371,194.32/x - Step 3: Cross multiply
543,206.73x = 749,763.08 × 371,194.32 - Step 4: Simplify right side
543,206.73x = 278,307,796,641.71 - Step 5: Solve for x
x = 278,307,796,641.71/543,206.73 - Step 6: Final answer
x = 512,342.32
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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.