Finding the Fourth Proportional to 150,259.44, 207,363.62 and 85,739.19
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Solution
The fourth proportional to 150,259.44, 207,363.62 and 85,739.19 is: 118,323.27
Step by Step Solution
- Step 1: Write the proportion equation
150,259.44 : 207,363.62 = 85,739.19 : x - Step 2: Convert to fraction form
150,259.44/207,363.62 = 85,739.19/x - Step 3: Cross multiply
150,259.44x = 207,363.62 × 85,739.19 - Step 4: Simplify right side
150,259.44x = 17,779,188,385.57 - Step 5: Solve for x
x = 17,779,188,385.57/150,259.44 - Step 6: Final answer
x = 118,323.27
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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.