Finding the Fourth Proportional to 203,497.44, 280,828.98 and 112,854.66
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Solution
The fourth proportional to 203,497.44, 280,828.98 and 112,854.66 is: 155,740.82
Step by Step Solution
- Step 1: Write the proportion equation
203,497.44 : 280,828.98 = 112,854.66 : x - Step 2: Convert to fraction form
203,497.44/280,828.98 = 112,854.66/x - Step 3: Cross multiply
203,497.44x = 280,828.98 × 112,854.66 - Step 4: Simplify right side
203,497.44x = 31,692,859,056.05 - Step 5: Solve for x
x = 31,692,859,056.05/203,497.44 - Step 6: Final answer
x = 155,740.82
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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.