Finding the Fourth Proportional to 299,106.12, 448,743.92 and 121,740.40
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Solution
The fourth proportional to 299,106.12, 448,743.92 and 121,740.40 is: 182,645.09
Step by Step Solution
- Step 1: Write the proportion equation
299,106.12 : 448,743.92 = 121,740.40 : x - Step 2: Convert to fraction form
299,106.12/448,743.92 = 121,740.40/x - Step 3: Cross multiply
299,106.12x = 448,743.92 × 121,740.40 - Step 4: Simplify right side
299,106.12x = 54,630,264,318.37 - Step 5: Solve for x
x = 54,630,264,318.37/299,106.12 - Step 6: Final answer
x = 182,645.09
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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.