Finding the Fourth Proportional to 148,760.92, 223,140.93 and 53,990.99
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Solution
The fourth proportional to 148,760.92, 223,140.93 and 53,990.99 is: 80,986.32
Step by Step Solution
- Step 1: Write the proportion equation
148,760.92 : 223,140.93 = 53,990.99 : x - Step 2: Convert to fraction form
148,760.92/223,140.93 = 53,990.99/x - Step 3: Cross multiply
148,760.92x = 223,140.93 × 53,990.99 - Step 4: Simplify right side
148,760.92x = 12,047,599,238.83 - Step 5: Solve for x
x = 12,047,599,238.83/148,760.92 - Step 6: Final answer
x = 80,986.32
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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.