Finding the Fourth Proportional to 163,868.61, 226,130.09 and 92,246.25
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Solution
The fourth proportional to 163,868.61, 226,130.09 and 92,246.25 is: 127,294.99
Step by Step Solution
- Step 1: Write the proportion equation
163,868.61 : 226,130.09 = 92,246.25 : x - Step 2: Convert to fraction form
163,868.61/226,130.09 = 92,246.25/x - Step 3: Cross multiply
163,868.61x = 226,130.09 × 92,246.25 - Step 4: Simplify right side
163,868.61x = 20,859,652,353.43 - Step 5: Solve for x
x = 20,859,652,353.43/163,868.61 - Step 6: Final answer
x = 127,294.99
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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.