Finding the Fourth Proportional to 163,597.20, 225,875.97 and 125,289.06
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Solution
The fourth proportional to 163,597.20, 225,875.97 and 125,289.06 is: 172,984.55
Step by Step Solution
- Step 1: Write the proportion equation
163,597.20 : 225,875.97 = 125,289.06 : x - Step 2: Convert to fraction form
163,597.20/225,875.97 = 125,289.06/x - Step 3: Cross multiply
163,597.20x = 225,875.97 × 125,289.06 - Step 4: Simplify right side
163,597.20x = 28,299,787,957.89 - Step 5: Solve for x
x = 28,299,787,957.89/163,597.20 - Step 6: Final answer
x = 172,984.55
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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.