Finding the Fourth Proportional to 146,823.70, 220,235.55 and 120,903.70
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Solution
The fourth proportional to 146,823.70, 220,235.55 and 120,903.70 is: 181,355.55
Step by Step Solution
- Step 1: Write the proportion equation
146,823.70 : 220,235.55 = 120,903.70 : x - Step 2: Convert to fraction form
146,823.70/220,235.55 = 120,903.70/x - Step 3: Cross multiply
146,823.70x = 220,235.55 × 120,903.70 - Step 4: Simplify right side
146,823.70x = 26,627,292,866.54 - Step 5: Solve for x
x = 26,627,292,866.54/146,823.70 - Step 6: Final answer
x = 181,355.55
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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.