Finding the Fourth Proportional to 249,052.10, 343,690.26 and 141,622.20
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Solution
The fourth proportional to 249,052.10, 343,690.26 and 141,622.20 is: 195,437.70
Step by Step Solution
- Step 1: Write the proportion equation
249,052.10 : 343,690.26 = 141,622.20 : x - Step 2: Convert to fraction form
249,052.10/343,690.26 = 141,622.20/x - Step 3: Cross multiply
249,052.10x = 343,690.26 × 141,622.20 - Step 4: Simplify right side
249,052.10x = 48,674,170,739.77 - Step 5: Solve for x
x = 48,674,170,739.77/249,052.10 - Step 6: Final answer
x = 195,437.70
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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.