Finding the Fourth Proportional to 99,365.23, 148,860.09 and 58,717.49
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Solution
The fourth proportional to 99,365.23, 148,860.09 and 58,717.49 is: 87,965.28
Step by Step Solution
- Step 1: Write the proportion equation
99,365.23 : 148,860.09 = 58,717.49 : x - Step 2: Convert to fraction form
99,365.23/148,860.09 = 58,717.49/x - Step 3: Cross multiply
99,365.23x = 148,860.09 × 58,717.49 - Step 4: Simplify right side
99,365.23x = 8,740,690,180.24 - Step 5: Solve for x
x = 8,740,690,180.24/99,365.23 - Step 6: Final answer
x = 87,965.28
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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.