Finding the Fourth Proportional to 219,742.78, 303,243.36 and 124,252.87
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Solution
The fourth proportional to 219,742.78, 303,243.36 and 124,252.87 is: 171,468.01
Step by Step Solution
- Step 1: Write the proportion equation
219,742.78 : 303,243.36 = 124,252.87 : x - Step 2: Convert to fraction form
219,742.78/303,243.36 = 124,252.87/x - Step 3: Cross multiply
219,742.78x = 303,243.36 × 124,252.87 - Step 4: Simplify right side
219,742.78x = 37,678,857,788.44 - Step 5: Solve for x
x = 37,678,857,788.44/219,742.78 - Step 6: Final answer
x = 171,468.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.