Finding the Fourth Proportional to 361,883.20, 542,824.80 and 249,908.80
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Solution
The fourth proportional to 361,883.20, 542,824.80 and 249,908.80 is: 374,863.20
Step by Step Solution
- Step 1: Write the proportion equation
361,883.20 : 542,824.80 = 249,908.80 : x - Step 2: Convert to fraction form
361,883.20/542,824.80 = 249,908.80/x - Step 3: Cross multiply
361,883.20x = 542,824.80 × 249,908.80 - Step 4: Simplify right side
361,883.20x = 135,656,694,378.24 - Step 5: Solve for x
x = 135,656,694,378.24/361,883.20 - Step 6: Final answer
x = 374,863.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.