Finding the Fourth Proportional to 248,921.63, 372,718.14 and 130,343.70
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Solution
The fourth proportional to 248,921.63, 372,718.14 and 130,343.70 is: 195,167.70
Step by Step Solution
- Step 1: Write the proportion equation
248,921.63 : 372,718.14 = 130,343.70 : x - Step 2: Convert to fraction form
248,921.63/372,718.14 = 130,343.70/x - Step 3: Cross multiply
248,921.63x = 372,718.14 × 130,343.70 - Step 4: Simplify right side
248,921.63x = 48,581,461,424.72 - Step 5: Solve for x
x = 48,581,461,424.72/248,921.63 - Step 6: Final answer
x = 195,167.70
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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.