Finding the Fourth Proportional to 180,366.96, 248,913.74 and 99,793.18
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Solution
The fourth proportional to 180,366.96, 248,913.74 and 99,793.18 is: 137,718.65
Step by Step Solution
- Step 1: Write the proportion equation
180,366.96 : 248,913.74 = 99,793.18 : x - Step 2: Convert to fraction form
180,366.96/248,913.74 = 99,793.18/x - Step 3: Cross multiply
180,366.96x = 248,913.74 × 99,793.18 - Step 4: Simplify right side
180,366.96x = 24,839,893,660.29 - Step 5: Solve for x
x = 24,839,893,660.29/180,366.96 - Step 6: Final answer
x = 137,718.65
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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.