Finding the Fourth Proportional to 307,451.61, 461,317.53 and 157,796.99
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Solution
The fourth proportional to 307,451.61, 461,317.53 and 157,796.99 is: 236,767.40
Step by Step Solution
- Step 1: Write the proportion equation
307,451.61 : 461,317.53 = 157,796.99 : x - Step 2: Convert to fraction form
307,451.61/461,317.53 = 157,796.99/x - Step 3: Cross multiply
307,451.61x = 461,317.53 × 157,796.99 - Step 4: Simplify right side
307,451.61x = 72,794,517,683.33 - Step 5: Solve for x
x = 72,794,517,683.33/307,451.61 - Step 6: Final answer
x = 236,767.40
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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.