Finding the Fourth Proportional to 203,117.76, 304,697.04 and 69,980.64
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Solution
The fourth proportional to 203,117.76, 304,697.04 and 69,980.64 is: 104,977.99
Step by Step Solution
- Step 1: Write the proportion equation
203,117.76 : 304,697.04 = 69,980.64 : x - Step 2: Convert to fraction form
203,117.76/304,697.04 = 69,980.64/x - Step 3: Cross multiply
203,117.76x = 304,697.04 × 69,980.64 - Step 4: Simplify right side
203,117.76x = 21,322,893,865.31 - Step 5: Solve for x
x = 21,322,893,865.31/203,117.76 - Step 6: Final answer
x = 104,977.99
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1.5x scale
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.