Finding the Fourth Proportional to 248,424.28, 372,548.94 and 79,937.80
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Solution
The fourth proportional to 248,424.28, 372,548.94 and 79,937.80 is: 119,878.55
Step by Step Solution
- Step 1: Write the proportion equation
248,424.28 : 372,548.94 = 79,937.80 : x - Step 2: Convert to fraction form
248,424.28/372,548.94 = 79,937.80/x - Step 3: Cross multiply
248,424.28x = 372,548.94 × 79,937.80 - Step 4: Simplify right side
248,424.28x = 29,780,742,655.93 - Step 5: Solve for x
x = 29,780,742,655.93/248,424.28 - Step 6: Final answer
x = 119,878.55
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1.5x scale
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.