Finding the Fourth Proportional to 200,203.08, 276,280.14 and 109,558.99
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Solution
The fourth proportional to 200,203.08, 276,280.14 and 109,558.99 is: 151,191.35
Step by Step Solution
- Step 1: Write the proportion equation
200,203.08 : 276,280.14 = 109,558.99 : x - Step 2: Convert to fraction form
200,203.08/276,280.14 = 109,558.99/x - Step 3: Cross multiply
200,203.08x = 276,280.14 × 109,558.99 - Step 4: Simplify right side
200,203.08x = 30,268,973,095.46 - Step 5: Solve for x
x = 30,268,973,095.46/200,203.08 - Step 6: Final answer
x = 151,191.35
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1.5x scale
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.