Finding the Fourth Proportional to 265,028.99, 397,459.24 and 87,502.91
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Solution
The fourth proportional to 265,028.99, 397,459.24 and 87,502.91 is: 131,226.55
Step by Step Solution
- Step 1: Write the proportion equation
265,028.99 : 397,459.24 = 87,502.91 : x - Step 2: Convert to fraction form
265,028.99/397,459.24 = 87,502.91/x - Step 3: Cross multiply
265,028.99x = 397,459.24 × 87,502.91 - Step 4: Simplify right side
265,028.99x = 34,778,840,106.39 - Step 5: Solve for x
x = 34,778,840,106.39/265,028.99 - Step 6: Final answer
x = 131,226.55
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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.