Finding the Fourth Proportional to 339,590.24, 509,402.80 and 86,872.92
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Solution
The fourth proportional to 339,590.24, 509,402.80 and 86,872.92 is: 130,313.84
Step by Step Solution
- Step 1: Write the proportion equation
339,590.24 : 509,402.80 = 86,872.92 : x - Step 2: Convert to fraction form
339,590.24/509,402.80 = 86,872.92/x - Step 3: Cross multiply
339,590.24x = 509,402.80 × 86,872.92 - Step 4: Simplify right side
339,590.24x = 44,253,306,890.51 - Step 5: Solve for x
x = 44,253,306,890.51/339,590.24 - Step 6: Final answer
x = 130,313.84
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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.