Finding the Fourth Proportional to 307,418.88, 461,116.80 and 97,069.44
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Solution
The fourth proportional to 307,418.88, 461,116.80 and 97,069.44 is: 145,600.52
Step by Step Solution
- Step 1: Write the proportion equation
307,418.88 : 461,116.80 = 97,069.44 : x - Step 2: Convert to fraction form
307,418.88/461,116.80 = 97,069.44/x - Step 3: Cross multiply
307,418.88x = 461,116.80 × 97,069.44 - Step 4: Simplify right side
307,418.88x = 44,760,349,550.59 - Step 5: Solve for x
x = 44,760,349,550.59/307,418.88 - Step 6: Final answer
x = 145,600.52
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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.