Finding the Fourth Proportional to 307,986.24, 461,995.80 and 97,640.64
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Solution
The fourth proportional to 307,986.24, 461,995.80 and 97,640.64 is: 146,466.17
Step by Step Solution
- Step 1: Write the proportion equation
307,986.24 : 461,995.80 = 97,640.64 : x - Step 2: Convert to fraction form
307,986.24/461,995.80 = 97,640.64/x - Step 3: Cross multiply
307,986.24x = 461,995.80 × 97,640.64 - Step 4: Simplify right side
307,986.24x = 45,109,565,589.31 - Step 5: Solve for x
x = 45,109,565,589.31/307,986.24 - Step 6: Final answer
x = 146,466.17
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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.