Finding the Fourth Proportional to 230,404.29, 317,964.65 and 134,902.05
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Solution
The fourth proportional to 230,404.29, 317,964.65 and 134,902.05 is: 186,168.77
Step by Step Solution
- Step 1: Write the proportion equation
230,404.29 : 317,964.65 = 134,902.05 : x - Step 2: Convert to fraction form
230,404.29/317,964.65 = 134,902.05/x - Step 3: Cross multiply
230,404.29x = 317,964.65 × 134,902.05 - Step 4: Simplify right side
230,404.29x = 42,894,083,112.53 - Step 5: Solve for x
x = 42,894,083,112.53/230,404.29 - Step 6: Final answer
x = 186,168.77
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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.