Finding the Fourth Proportional to 143,378.76, 215,094.09 and 59,091.99
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Solution
The fourth proportional to 143,378.76, 215,094.09 and 59,091.99 is: 88,648.68
Step by Step Solution
- Step 1: Write the proportion equation
143,378.76 : 215,094.09 = 59,091.99 : x - Step 2: Convert to fraction form
143,378.76/215,094.09 = 59,091.99/x - Step 3: Cross multiply
143,378.76x = 215,094.09 × 59,091.99 - Step 4: Simplify right side
143,378.76x = 12,710,337,815.34 - Step 5: Solve for x
x = 12,710,337,815.34/143,378.76 - Step 6: Final answer
x = 88,648.68
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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.