Finding the Fourth Proportional to 143,085.35, 214,660.17 and 48,312.18
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Solution
The fourth proportional to 143,085.35, 214,660.17 and 48,312.18 is: 72,479.12
Step by Step Solution
- Step 1: Write the proportion equation
143,085.35 : 214,660.17 = 48,312.18 : x - Step 2: Convert to fraction form
143,085.35/214,660.17 = 48,312.18/x - Step 3: Cross multiply
143,085.35x = 214,660.17 × 48,312.18 - Step 4: Simplify right side
143,085.35x = 10,370,700,771.87 - Step 5: Solve for x
x = 10,370,700,771.87/143,085.35 - Step 6: Final answer
x = 72,479.12
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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.