Finding the Fourth Proportional to 307,741.30, 424,174.58 and 205,729.49
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Solution
The fourth proportional to 307,741.30, 424,174.58 and 205,729.49 is: 283,566.81
Step by Step Solution
- Step 1: Write the proportion equation
307,741.30 : 424,174.58 = 205,729.49 : x - Step 2: Convert to fraction form
307,741.30/424,174.58 = 205,729.49/x - Step 3: Cross multiply
307,741.30x = 424,174.58 × 205,729.49 - Step 4: Simplify right side
307,741.30x = 87,265,220,014.36 - Step 5: Solve for x
x = 87,265,220,014.36/307,741.30 - Step 6: Final answer
x = 283,566.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.