Finding the Fourth Proportional to 180,059.13, 248,474.93 and 99,484.92
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Solution
The fourth proportional to 180,059.13, 248,474.93 and 99,484.92 is: 137,285.50
Step by Step Solution
- Step 1: Write the proportion equation
180,059.13 : 248,474.93 = 99,484.92 : x - Step 2: Convert to fraction form
180,059.13/248,474.93 = 99,484.92/x - Step 3: Cross multiply
180,059.13x = 248,474.93 × 99,484.92 - Step 4: Simplify right side
180,059.13x = 24,719,508,035.63 - Step 5: Solve for x
x = 24,719,508,035.63/180,059.13 - Step 6: Final answer
x = 137,285.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.