Finding the Fourth Proportional to 202,334.80, 303,502.20 and 139,349.20
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Solution
The fourth proportional to 202,334.80, 303,502.20 and 139,349.20 is: 209,023.80
Step by Step Solution
- Step 1: Write the proportion equation
202,334.80 : 303,502.20 = 139,349.20 : x - Step 2: Convert to fraction form
202,334.80/303,502.20 = 139,349.20/x - Step 3: Cross multiply
202,334.80x = 303,502.20 × 139,349.20 - Step 4: Simplify right side
202,334.80x = 42,292,788,768.24 - Step 5: Solve for x
x = 42,292,788,768.24/202,334.80 - Step 6: Final answer
x = 209,023.80
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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.