Finding the Fourth Proportional to 248,423.79, 372,583.44 and 79,959.18
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Solution
The fourth proportional to 248,423.79, 372,583.44 and 79,959.18 is: 119,921.95
Step by Step Solution
- Step 1: Write the proportion equation
248,423.79 : 372,583.44 = 79,959.18 : x - Step 2: Convert to fraction form
248,423.79/372,583.44 = 79,959.18/x - Step 3: Cross multiply
248,423.79x = 372,583.44 × 79,959.18 - Step 4: Simplify right side
248,423.79x = 29,791,466,343.98 - Step 5: Solve for x
x = 29,791,466,343.98/248,423.79 - Step 6: Final answer
x = 119,921.95
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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.