Finding the Fourth Proportional to 374,446.13, 561,669.19 and 125,128.13
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Solution
The fourth proportional to 374,446.13, 561,669.19 and 125,128.13 is: 187,692.19
Step by Step Solution
- Step 1: Write the proportion equation
374,446.13 : 561,669.19 = 125,128.13 : x - Step 2: Convert to fraction form
374,446.13/561,669.19 = 125,128.13/x - Step 3: Cross multiply
374,446.13x = 561,669.19 × 125,128.13 - Step 4: Simplify right side
374,446.13x = 70,280,612,302.15 - Step 5: Solve for x
x = 70,280,612,302.15/374,446.13 - Step 6: Final answer
x = 187,692.19
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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.