Finding the Fourth Proportional to 313,935.24, 470,892.28 and 136,442.28
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Solution
The fourth proportional to 313,935.24, 470,892.28 and 136,442.28 is: 204,658.82
Step by Step Solution
- Step 1: Write the proportion equation
313,935.24 : 470,892.28 = 136,442.28 : x - Step 2: Convert to fraction form
313,935.24/470,892.28 = 136,442.28/x - Step 3: Cross multiply
313,935.24x = 470,892.28 × 136,442.28 - Step 4: Simplify right side
313,935.24x = 64,249,616,317.60 - Step 5: Solve for x
x = 64,249,616,317.60/313,935.24 - Step 6: Final answer
x = 204,658.82
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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.