Finding the Fourth Proportional to 202,347.68, 279,238.08 and 111,701.70
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Solution
The fourth proportional to 202,347.68, 279,238.08 and 111,701.70 is: 154,147.39
Step by Step Solution
- Step 1: Write the proportion equation
202,347.68 : 279,238.08 = 111,701.70 : x - Step 2: Convert to fraction form
202,347.68/279,238.08 = 111,701.70/x - Step 3: Cross multiply
202,347.68x = 279,238.08 × 111,701.70 - Step 4: Simplify right side
202,347.68x = 31,191,366,844.55 - Step 5: Solve for x
x = 31,191,366,844.55/202,347.68 - Step 6: Final answer
x = 154,147.39
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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.