Finding the Fourth Proportional to 200,621.60, 276,887.28 and 115,722.08
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Solution
The fourth proportional to 200,621.60, 276,887.28 and 115,722.08 is: 159,713.47
Step by Step Solution
- Step 1: Write the proportion equation
200,621.60 : 276,887.28 = 115,722.08 : x - Step 2: Convert to fraction form
200,621.60/276,887.28 = 115,722.08/x - Step 3: Cross multiply
200,621.60x = 276,887.28 × 115,722.08 - Step 4: Simplify right side
200,621.60x = 32,041,971,967.14 - Step 5: Solve for x
x = 32,041,971,967.14/200,621.60 - Step 6: Final answer
x = 159,713.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.