Finding the Fourth Proportional to 346,238.64, 477,810.63 and 193,274.10
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Solution
The fourth proportional to 346,238.64, 477,810.63 and 193,274.10 is: 266,718.99
Step by Step Solution
- Step 1: Write the proportion equation
346,238.64 : 477,810.63 = 193,274.10 : x - Step 2: Convert to fraction form
346,238.64/477,810.63 = 193,274.10/x - Step 3: Cross multiply
346,238.64x = 477,810.63 × 193,274.10 - Step 4: Simplify right side
346,238.64x = 92,348,419,483.68 - Step 5: Solve for x
x = 92,348,419,483.68/346,238.64 - Step 6: Final answer
x = 266,718.99
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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.