Finding the Fourth Proportional to 351,752.94, 485,442.87 and 198,738.06
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Solution
The fourth proportional to 351,752.94, 485,442.87 and 198,738.06 is: 274,271.98
Step by Step Solution
- Step 1: Write the proportion equation
351,752.94 : 485,442.87 = 198,738.06 : x - Step 2: Convert to fraction form
351,752.94/485,442.87 = 198,738.06/x - Step 3: Cross multiply
351,752.94x = 485,442.87 × 198,738.06 - Step 4: Simplify right side
351,752.94x = 96,475,974,224.63 - Step 5: Solve for x
x = 96,475,974,224.63/351,752.94 - Step 6: Final answer
x = 274,271.98
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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.