Finding the Fourth Proportional to 172,396.08, 237,901.84 and 104,453.28
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Solution
The fourth proportional to 172,396.08, 237,901.84 and 104,453.28 is: 144,142.65
Step by Step Solution
- Step 1: Write the proportion equation
172,396.08 : 237,901.84 = 104,453.28 : x - Step 2: Convert to fraction form
172,396.08/237,901.84 = 104,453.28/x - Step 3: Cross multiply
172,396.08x = 237,901.84 × 104,453.28 - Step 4: Simplify right side
172,396.08x = 24,849,627,506.04 - Step 5: Solve for x
x = 24,849,627,506.04/172,396.08 - Step 6: Final answer
x = 144,142.65
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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.