Finding the Fourth Proportional to 372,238.12, 558,408.68 and 119,459.08
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Solution
The fourth proportional to 372,238.12, 558,408.68 and 119,459.08 is: 179,205.15
Step by Step Solution
- Step 1: Write the proportion equation
372,238.12 : 558,408.68 = 119,459.08 : x - Step 2: Convert to fraction form
372,238.12/558,408.68 = 119,459.08/x - Step 3: Cross multiply
372,238.12x = 558,408.68 × 119,459.08 - Step 4: Simplify right side
372,238.12x = 66,706,987,176.81 - Step 5: Solve for x
x = 66,706,987,176.81/372,238.12 - Step 6: Final answer
x = 179,205.15
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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.