Finding the Fourth Proportional to 230,363.74, 317,793.27 and 134,811.28
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Solution
The fourth proportional to 230,363.74, 317,793.27 and 134,811.28 is: 185,975.96
Step by Step Solution
- Step 1: Write the proportion equation
230,363.74 : 317,793.27 = 134,811.28 : x - Step 2: Convert to fraction form
230,363.74/317,793.27 = 134,811.28/x - Step 3: Cross multiply
230,363.74x = 317,793.27 × 134,811.28 - Step 4: Simplify right side
230,363.74x = 42,842,117,504.09 - Step 5: Solve for x
x = 42,842,117,504.09/230,363.74 - Step 6: Final answer
x = 185,975.96
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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.