Finding the Fourth Proportional to 124,014.24, 186,021.36 and 30,520.08
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Solution
The fourth proportional to 124,014.24, 186,021.36 and 30,520.08 is: 45,780.12
Step by Step Solution
- Step 1: Write the proportion equation
124,014.24 : 186,021.36 = 30,520.08 : x - Step 2: Convert to fraction form
124,014.24/186,021.36 = 30,520.08/x - Step 3: Cross multiply
124,014.24x = 186,021.36 × 30,520.08 - Step 4: Simplify right side
124,014.24x = 5,677,386,788.91 - Step 5: Solve for x
x = 5,677,386,788.91/124,014.24 - Step 6: Final answer
x = 45,780.12
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1.5x scale
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.