Finding the Fourth Proportional to 247,355.70, 371,033.55 and 154,043.70
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Solution
The fourth proportional to 247,355.70, 371,033.55 and 154,043.70 is: 231,065.55
Step by Step Solution
- Step 1: Write the proportion equation
247,355.70 : 371,033.55 = 154,043.70 : x - Step 2: Convert to fraction form
247,355.70/371,033.55 = 154,043.70/x - Step 3: Cross multiply
247,355.70x = 371,033.55 × 154,043.70 - Step 4: Simplify right side
247,355.70x = 57,155,380,866.14 - Step 5: Solve for x
x = 57,155,380,866.14/247,355.70 - Step 6: Final answer
x = 231,065.55
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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.