Finding the Fourth Proportional to 262,387.08, 362,142.90 and 149,203.08
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Solution
The fourth proportional to 262,387.08, 362,142.90 and 149,203.08 is: 205,927.96
Step by Step Solution
- Step 1: Write the proportion equation
262,387.08 : 362,142.90 = 149,203.08 : x - Step 2: Convert to fraction form
262,387.08/362,142.90 = 149,203.08/x - Step 3: Cross multiply
262,387.08x = 362,142.90 × 149,203.08 - Step 4: Simplify right side
262,387.08x = 54,032,836,080.13 - Step 5: Solve for x
x = 54,032,836,080.13/262,387.08 - Step 6: Final answer
x = 205,927.96
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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.