Finding the Fourth Proportional to 351,675.10, 485,310.99 and 190,534.15
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Solution
The fourth proportional to 351,675.10, 485,310.99 and 190,534.15 is: 262,936.78
Step by Step Solution
- Step 1: Write the proportion equation
351,675.10 : 485,310.99 = 190,534.15 : x - Step 2: Convert to fraction form
351,675.10/485,310.99 = 190,534.15/x - Step 3: Cross multiply
351,675.10x = 485,310.99 × 190,534.15 - Step 4: Simplify right side
351,675.10x = 92,468,316,965.31 - Step 5: Solve for x
x = 92,468,316,965.31/351,675.10 - Step 6: Final answer
x = 262,936.78
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1.5x scale
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.