Finding the Fourth Proportional to 351,476.79, 485,037.88 and 190,331.83
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Solution
The fourth proportional to 351,476.79, 485,037.88 and 190,331.83 is: 262,657.88
Step by Step Solution
- Step 1: Write the proportion equation
351,476.79 : 485,037.88 = 190,331.83 : x - Step 2: Convert to fraction form
351,476.79/485,037.88 = 190,331.83/x - Step 3: Cross multiply
351,476.79x = 485,037.88 × 190,331.83 - Step 4: Simplify right side
351,476.79x = 92,318,147,319.72 - Step 5: Solve for x
x = 92,318,147,319.72/351,476.79 - Step 6: Final answer
x = 262,657.88
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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.