Finding the Fourth Proportional to 538,879.93, 743,643.95 and 297,184.84
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Solution
The fourth proportional to 538,879.93, 743,643.95 and 297,184.84 is: 410,109.37
Step by Step Solution
- Step 1: Write the proportion equation
538,879.93 : 743,643.95 = 297,184.84 : x - Step 2: Convert to fraction form
538,879.93/743,643.95 = 297,184.84/x - Step 3: Cross multiply
538,879.93x = 743,643.95 × 297,184.84 - Step 4: Simplify right side
538,879.93x = 220,999,709,133.76 - Step 5: Solve for x
x = 220,999,709,133.76/538,879.93 - Step 6: Final answer
x = 410,109.37
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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.