Finding the Fourth Proportional to 225,651.36, 311,384.88 and 125,050.08
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Solution
The fourth proportional to 225,651.36, 311,384.88 and 125,050.08 is: 172,561.35
Step by Step Solution
- Step 1: Write the proportion equation
225,651.36 : 311,384.88 = 125,050.08 : x - Step 2: Convert to fraction form
225,651.36/311,384.88 = 125,050.08/x - Step 3: Cross multiply
225,651.36x = 311,384.88 × 125,050.08 - Step 4: Simplify right side
225,651.36x = 38,938,704,154.79 - Step 5: Solve for x
x = 38,938,704,154.79/225,651.36 - Step 6: Final answer
x = 172,561.35
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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.