Finding the Fourth Proportional to 234,017.40, 351,177.30 and 128,911.80
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Solution
The fourth proportional to 234,017.40, 351,177.30 and 128,911.80 is: 193,450.99
Step by Step Solution
- Step 1: Write the proportion equation
234,017.40 : 351,177.30 = 128,911.80 : x - Step 2: Convert to fraction form
234,017.40/351,177.30 = 128,911.80/x - Step 3: Cross multiply
234,017.40x = 351,177.30 × 128,911.80 - Step 4: Simplify right side
234,017.40x = 45,270,897,862.14 - Step 5: Solve for x
x = 45,270,897,862.14/234,017.40 - Step 6: Final answer
x = 193,450.99
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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.