Finding the Fourth Proportional to 185,890.36, 256,528.21 and 101,007.43
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Solution
The fourth proportional to 185,890.36, 256,528.21 and 101,007.43 is: 139,389.99
Step by Step Solution
- Step 1: Write the proportion equation
185,890.36 : 256,528.21 = 101,007.43 : x - Step 2: Convert to fraction form
185,890.36/256,528.21 = 101,007.43/x - Step 3: Cross multiply
185,890.36x = 256,528.21 × 101,007.43 - Step 4: Simplify right side
185,890.36x = 25,911,255,214.60 - Step 5: Solve for x
x = 25,911,255,214.60/185,890.36 - Step 6: Final answer
x = 139,389.99
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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.