Finding the Fourth Proportional to 248,158.31, 372,055.99 and 79,582.68
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Solution
The fourth proportional to 248,158.31, 372,055.99 and 79,582.68 is: 119,315.82
Step by Step Solution
- Step 1: Write the proportion equation
248,158.31 : 372,055.99 = 79,582.68 : x - Step 2: Convert to fraction form
248,158.31/372,055.99 = 79,582.68/x - Step 3: Cross multiply
248,158.31x = 372,055.99 × 79,582.68 - Step 4: Simplify right side
248,158.31x = 29,609,212,794.25 - Step 5: Solve for x
x = 29,609,212,794.25/248,158.31 - Step 6: Final answer
x = 119,315.82
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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.