Finding the Fourth Proportional to 201,415.70, 302,123.55 and 122,683.70
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Solution
The fourth proportional to 201,415.70, 302,123.55 and 122,683.70 is: 184,025.55
Step by Step Solution
- Step 1: Write the proportion equation
201,415.70 : 302,123.55 = 122,683.70 : x - Step 2: Convert to fraction form
201,415.70/302,123.55 = 122,683.70/x - Step 3: Cross multiply
201,415.70x = 302,123.55 × 122,683.70 - Step 4: Simplify right side
201,415.70x = 37,065,634,971.14 - Step 5: Solve for x
x = 37,065,634,971.14/201,415.70 - Step 6: Final answer
x = 184,025.55
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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.