Finding the Fourth Proportional to 134,485.40, 201,728.10 and 124,347.80
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Solution
The fourth proportional to 134,485.40, 201,728.10 and 124,347.80 is: 186,521.70
Step by Step Solution
- Step 1: Write the proportion equation
134,485.40 : 201,728.10 = 124,347.80 : x - Step 2: Convert to fraction form
134,485.40/201,728.10 = 124,347.80/x - Step 3: Cross multiply
134,485.40x = 201,728.10 × 124,347.80 - Step 4: Simplify right side
134,485.40x = 25,084,445,433.18 - Step 5: Solve for x
x = 25,084,445,433.18/134,485.40 - Step 6: Final answer
x = 186,521.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.