Finding the Fourth Proportional to 370,241.70, 555,563.48 and 157,129.48
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Solution
The fourth proportional to 370,241.70, 555,563.48 and 157,129.48 is: 235,779.50
Step by Step Solution
- Step 1: Write the proportion equation
370,241.70 : 555,563.48 = 157,129.48 : x - Step 2: Convert to fraction form
370,241.70/555,563.48 = 157,129.48/x - Step 3: Cross multiply
370,241.70x = 555,563.48 × 157,129.48 - Step 4: Simplify right side
370,241.70x = 87,295,400,628.20 - Step 5: Solve for x
x = 87,295,400,628.20/370,241.70 - Step 6: Final answer
x = 235,779.50
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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.