Finding the Fourth Proportional to 122,420.74, 183,631.92 and 33,683.62
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Solution
The fourth proportional to 122,420.74, 183,631.92 and 33,683.62 is: 50,525.65
Step by Step Solution
- Step 1: Write the proportion equation
122,420.74 : 183,631.92 = 33,683.62 : x - Step 2: Convert to fraction form
122,420.74/183,631.92 = 33,683.62/x - Step 3: Cross multiply
122,420.74x = 183,631.92 × 33,683.62 - Step 4: Simplify right side
122,420.74x = 6,185,387,813.15 - Step 5: Solve for x
x = 6,185,387,813.15/122,420.74 - Step 6: Final answer
x = 50,525.65
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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.