Finding the Fourth Proportional to 135,257.50, 202,942.12 and 59,316.74
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Solution
The fourth proportional to 135,257.50, 202,942.12 and 59,316.74 is: 88,999.61
Step by Step Solution
- Step 1: Write the proportion equation
135,257.50 : 202,942.12 = 59,316.74 : x - Step 2: Convert to fraction form
135,257.50/202,942.12 = 59,316.74/x - Step 3: Cross multiply
135,257.50x = 202,942.12 × 59,316.74 - Step 4: Simplify right side
135,257.50x = 12,037,864,967.09 - Step 5: Solve for x
x = 12,037,864,967.09/135,257.50 - Step 6: Final answer
x = 88,999.61
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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.