Finding the Fourth Proportional to 256,516.05, 384,763.14 and 250,509.09
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Solution
The fourth proportional to 256,516.05, 384,763.14 and 250,509.09 is: 375,752.96
Step by Step Solution
- Step 1: Write the proportion equation
256,516.05 : 384,763.14 = 250,509.09 : x - Step 2: Convert to fraction form
256,516.05/384,763.14 = 250,509.09/x - Step 3: Cross multiply
256,516.05x = 384,763.14 × 250,509.09 - Step 4: Simplify right side
256,516.05x = 96,386,664,066.94 - Step 5: Solve for x
x = 96,386,664,066.94/256,516.05 - Step 6: Final answer
x = 375,752.96
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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.