Finding the Fourth Proportional to 219,542.81, 302,952.34 and 133,489.84
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Solution
The fourth proportional to 219,542.81, 302,952.34 and 133,489.84 is: 184,205.80
Step by Step Solution
- Step 1: Write the proportion equation
219,542.81 : 302,952.34 = 133,489.84 : x - Step 2: Convert to fraction form
219,542.81/302,952.34 = 133,489.84/x - Step 3: Cross multiply
219,542.81x = 302,952.34 × 133,489.84 - Step 4: Simplify right side
219,542.81x = 40,441,059,394.23 - Step 5: Solve for x
x = 40,441,059,394.23/219,542.81 - Step 6: Final answer
x = 184,205.80
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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.