Finding the Fourth Proportional to 655,817.40, 983,726.10 and 235,135.80
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Solution
The fourth proportional to 655,817.40, 983,726.10 and 235,135.80 is: 352,703.70
Step by Step Solution
- Step 1: Write the proportion equation
655,817.40 : 983,726.10 = 235,135.80 : x - Step 2: Convert to fraction form
655,817.40/983,726.10 = 235,135.80/x - Step 3: Cross multiply
655,817.40x = 983,726.10 × 235,135.80 - Step 4: Simplify right side
655,817.40x = 231,309,223,504.38 - Step 5: Solve for x
x = 231,309,223,504.38/655,817.40 - Step 6: Final answer
x = 352,703.70
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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.