Finding the Fourth Proportional to 143,722.08, 215,492.76 and 43,849.08
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Solution
The fourth proportional to 143,722.08, 215,492.76 and 43,849.08 is: 65,746.05
Step by Step Solution
- Step 1: Write the proportion equation
143,722.08 : 215,492.76 = 43,849.08 : x - Step 2: Convert to fraction form
143,722.08/215,492.76 = 43,849.08/x - Step 3: Cross multiply
143,722.08x = 215,492.76 × 43,849.08 - Step 4: Simplify right side
143,722.08x = 9,449,159,272.66 - Step 5: Solve for x
x = 9,449,159,272.66/143,722.08 - Step 6: Final answer
x = 65,746.05
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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.