Finding the Fourth Proportional to 102,448.16, 153,677.04 and 49,794.88
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Solution
The fourth proportional to 102,448.16, 153,677.04 and 49,794.88 is: 74,694.65
Step by Step Solution
- Step 1: Write the proportion equation
102,448.16 : 153,677.04 = 49,794.88 : x - Step 2: Convert to fraction form
102,448.16/153,677.04 = 49,794.88/x - Step 3: Cross multiply
102,448.16x = 153,677.04 × 49,794.88 - Step 4: Simplify right side
102,448.16x = 7,652,329,765.56 - Step 5: Solve for x
x = 7,652,329,765.56/102,448.16 - Step 6: Final answer
x = 74,694.65
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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.