Finding the Fourth Proportional to 302,502.70, 453,754.05 and 202,969.90
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Solution
The fourth proportional to 302,502.70, 453,754.05 and 202,969.90 is: 304,454.85
Step by Step Solution
- Step 1: Write the proportion equation
302,502.70 : 453,754.05 = 202,969.90 : x - Step 2: Convert to fraction form
302,502.70/453,754.05 = 202,969.90/x - Step 3: Cross multiply
302,502.70x = 453,754.05 × 202,969.90 - Step 4: Simplify right side
302,502.70x = 92,098,414,153.10 - Step 5: Solve for x
x = 92,098,414,153.10/302,502.70 - Step 6: Final answer
x = 304,454.85
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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.