Finding the Fourth Proportional to 347,135.36, 520,998.89 and 136,920.92
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Solution
The fourth proportional to 347,135.36, 520,998.89 and 136,920.92 is: 205,498.07
Step by Step Solution
- Step 1: Write the proportion equation
347,135.36 : 520,998.89 = 136,920.92 : x - Step 2: Convert to fraction form
347,135.36/520,998.89 = 136,920.92/x - Step 3: Cross multiply
347,135.36x = 520,998.89 × 136,920.92 - Step 4: Simplify right side
347,135.36x = 71,335,644,048.18 - Step 5: Solve for x
x = 71,335,644,048.18/347,135.36 - Step 6: Final answer
x = 205,498.07
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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.