Finding the Fourth Proportional to 134,501.80, 201,234.30 and 87,845.80
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Solution
The fourth proportional to 134,501.80, 201,234.30 and 87,845.80 is: 131,430.12
Step by Step Solution
- Step 1: Write the proportion equation
134,501.80 : 201,234.30 = 87,845.80 : x - Step 2: Convert to fraction form
134,501.80/201,234.30 = 87,845.80/x - Step 3: Cross multiply
134,501.80x = 201,234.30 × 87,845.80 - Step 4: Simplify right side
134,501.80x = 17,677,588,070.94 - Step 5: Solve for x
x = 17,677,588,070.94/134,501.80 - Step 6: Final answer
x = 131,430.12
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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.