Finding the Fourth Proportional to 230,306.23, 317,793.94 and 133,509.61
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Solution
The fourth proportional to 230,306.23, 317,793.94 and 133,509.61 is: 184,226.65
Step by Step Solution
- Step 1: Write the proportion equation
230,306.23 : 317,793.94 = 133,509.61 : x - Step 2: Convert to fraction form
230,306.23/317,793.94 = 133,509.61/x - Step 3: Cross multiply
230,306.23x = 317,793.94 × 133,509.61 - Step 4: Simplify right side
230,306.23x = 42,428,544,989.76 - Step 5: Solve for x
x = 42,428,544,989.76/230,306.23 - Step 6: Final answer
x = 184,226.65
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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.