Finding the Fourth Proportional to 306,792.36, 423,271.98 and 179,377.74
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Solution
The fourth proportional to 306,792.36, 423,271.98 and 179,377.74 is: 247,481.95
Step by Step Solution
- Step 1: Write the proportion equation
306,792.36 : 423,271.98 = 179,377.74 : x - Step 2: Convert to fraction form
306,792.36/423,271.98 = 179,377.74/x - Step 3: Cross multiply
306,792.36x = 423,271.98 × 179,377.74 - Step 4: Simplify right side
306,792.36x = 75,925,571,177.73 - Step 5: Solve for x
x = 75,925,571,177.73/306,792.36 - Step 6: Final answer
x = 247,481.95
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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.