Finding the Fourth Proportional to 249,245.19, 373,989.78 and 154,450.02
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Solution
The fourth proportional to 249,245.19, 373,989.78 and 154,450.02 is: 231,750.62
Step by Step Solution
- Step 1: Write the proportion equation
249,245.19 : 373,989.78 = 154,450.02 : x - Step 2: Convert to fraction form
249,245.19/373,989.78 = 154,450.02/x - Step 3: Cross multiply
249,245.19x = 373,989.78 × 154,450.02 - Step 4: Simplify right side
249,245.19x = 57,762,726,358.60 - Step 5: Solve for x
x = 57,762,726,358.60/249,245.19 - Step 6: Final answer
x = 231,750.62
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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.