Finding the Fourth Proportional to 249,056.11, 343,786.17 and 147,081.98
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Solution
The fourth proportional to 249,056.11, 343,786.17 and 147,081.98 is: 203,025.54
Step by Step Solution
- Step 1: Write the proportion equation
249,056.11 : 343,786.17 = 147,081.98 : x - Step 2: Convert to fraction form
249,056.11/343,786.17 = 147,081.98/x - Step 3: Cross multiply
249,056.11x = 343,786.17 × 147,081.98 - Step 4: Simplify right side
249,056.11x = 50,564,750,580.22 - Step 5: Solve for x
x = 50,564,750,580.22/249,056.11 - Step 6: Final answer
x = 203,025.54
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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.