Finding the Fourth Proportional to 187,402.80, 281,104.20 and 124,417.20
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Solution
The fourth proportional to 187,402.80, 281,104.20 and 124,417.20 is: 186,625.80
Step by Step Solution
- Step 1: Write the proportion equation
187,402.80 : 281,104.20 = 124,417.20 : x - Step 2: Convert to fraction form
187,402.80/281,104.20 = 124,417.20/x - Step 3: Cross multiply
187,402.80x = 281,104.20 × 124,417.20 - Step 4: Simplify right side
187,402.80x = 34,974,197,472.24 - Step 5: Solve for x
x = 34,974,197,472.24/187,402.80 - Step 6: Final answer
x = 186,625.80
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1.5x scale
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.