Finding the Fourth Proportional to 240,073.50, 360,128.79 and 71,580.99
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Solution
The fourth proportional to 240,073.50, 360,128.79 and 71,580.99 is: 107,377.01
Step by Step Solution
- Step 1: Write the proportion equation
240,073.50 : 360,128.79 = 71,580.99 : x - Step 2: Convert to fraction form
240,073.50/360,128.79 = 71,580.99/x - Step 3: Cross multiply
240,073.50x = 360,128.79 × 71,580.99 - Step 4: Simplify right side
240,073.50x = 25,778,375,315.70 - Step 5: Solve for x
x = 25,778,375,315.70/240,073.50 - Step 6: Final answer
x = 107,377.01
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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.