Finding the Fourth Proportional to 307,909.29, 461,220.12 and 247,611.54
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Solution
The fourth proportional to 307,909.29, 461,220.12 and 247,611.54 is: 370,899.57
Step by Step Solution
- Step 1: Write the proportion equation
307,909.29 : 461,220.12 = 247,611.54 : x - Step 2: Convert to fraction form
307,909.29/461,220.12 = 247,611.54/x - Step 3: Cross multiply
307,909.29x = 461,220.12 × 247,611.54 - Step 4: Simplify right side
307,909.29x = 114,203,424,192.19 - Step 5: Solve for x
x = 114,203,424,192.19/307,909.29 - Step 6: Final answer
x = 370,899.57
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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.