Finding the Fourth Proportional to 152,489.22, 228,750.69 and 52,638.09
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Solution
The fourth proportional to 152,489.22, 228,750.69 and 52,638.09 is: 78,962.95
Step by Step Solution
- Step 1: Write the proportion equation
152,489.22 : 228,750.69 = 52,638.09 : x - Step 2: Convert to fraction form
152,489.22/228,750.69 = 52,638.09/x - Step 3: Cross multiply
152,489.22x = 228,750.69 × 52,638.09 - Step 4: Simplify right side
152,489.22x = 12,040,999,407.78 - Step 5: Solve for x
x = 12,040,999,407.78/152,489.22 - Step 6: Final answer
x = 78,962.95
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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.