Finding the Fourth Proportional to 374,561.61, 561,920.17 and 125,237.13
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Solution
The fourth proportional to 374,561.61, 561,920.17 and 125,237.13 is: 187,881.69
Step by Step Solution
- Step 1: Write the proportion equation
374,561.61 : 561,920.17 = 125,237.13 : x - Step 2: Convert to fraction form
374,561.61/561,920.17 = 125,237.13/x - Step 3: Cross multiply
374,561.61x = 561,920.17 × 125,237.13 - Step 4: Simplify right side
374,561.61x = 70,373,269,379.91 - Step 5: Solve for x
x = 70,373,269,379.91/374,561.61 - Step 6: Final answer
x = 187,881.69
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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.