Finding the Fourth Proportional to 351,432.88, 484,977.68 and 190,288.02
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Solution
The fourth proportional to 351,432.88, 484,977.68 and 190,288.02 is: 262,597.62
Step by Step Solution
- Step 1: Write the proportion equation
351,432.88 : 484,977.68 = 190,288.02 : x - Step 2: Convert to fraction form
351,432.88/484,977.68 = 190,288.02/x - Step 3: Cross multiply
351,432.88x = 484,977.68 × 190,288.02 - Step 4: Simplify right side
351,432.88x = 92,285,439,095.07 - Step 5: Solve for x
x = 92,285,439,095.07/351,432.88 - Step 6: Final answer
x = 262,597.62
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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.