Finding the Fourth Proportional to 361,113.19, 541,467.18 and 247,389.46
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Solution
The fourth proportional to 361,113.19, 541,467.18 and 247,389.46 is: 370,945.39
Step by Step Solution
- Step 1: Write the proportion equation
361,113.19 : 541,467.18 = 247,389.46 : x - Step 2: Convert to fraction form
361,113.19/541,467.18 = 247,389.46/x - Step 3: Cross multiply
361,113.19x = 541,467.18 × 247,389.46 - Step 4: Simplify right side
361,113.19x = 133,953,271,914.26 - Step 5: Solve for x
x = 133,953,271,914.26/361,113.19 - Step 6: Final answer
x = 370,945.39
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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.