Finding the Fourth Proportional to 165,021.80, 247,532.70 and 112,533.80
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Solution
The fourth proportional to 165,021.80, 247,532.70 and 112,533.80 is: 168,800.70
Step by Step Solution
- Step 1: Write the proportion equation
165,021.80 : 247,532.70 = 112,533.80 : x - Step 2: Convert to fraction form
165,021.80/247,532.70 = 112,533.80/x - Step 3: Cross multiply
165,021.80x = 247,532.70 × 112,533.80 - Step 4: Simplify right side
165,021.80x = 27,855,795,355.26 - Step 5: Solve for x
x = 27,855,795,355.26/165,021.80 - Step 6: Final answer
x = 168,800.70
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1.5x scale
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.