Finding the Fourth Proportional to 163,040.63, 224,996.07 and 91,420.65
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Solution
The fourth proportional to 163,040.63, 224,996.07 and 91,420.65 is: 126,160.50
Step by Step Solution
- Step 1: Write the proportion equation
163,040.63 : 224,996.07 = 91,420.65 : x - Step 2: Convert to fraction form
163,040.63/224,996.07 = 91,420.65/x - Step 3: Cross multiply
163,040.63x = 224,996.07 × 91,420.65 - Step 4: Simplify right side
163,040.63x = 20,569,286,966.85 - Step 5: Solve for x
x = 20,569,286,966.85/163,040.63 - Step 6: Final answer
x = 126,160.50
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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.