Finding the Fourth Proportional to 239,322.96, 359,027.14 and 79,408.48
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Solution
The fourth proportional to 239,322.96, 359,027.14 and 79,408.48 is: 119,126.89
Step by Step Solution
- Step 1: Write the proportion equation
239,322.96 : 359,027.14 = 79,408.48 : x - Step 2: Convert to fraction form
239,322.96/359,027.14 = 79,408.48/x - Step 3: Cross multiply
239,322.96x = 359,027.14 × 79,408.48 - Step 4: Simplify right side
239,322.96x = 28,509,799,466.15 - Step 5: Solve for x
x = 28,509,799,466.15/239,322.96 - Step 6: Final answer
x = 119,126.89
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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.