Finding the Fourth Proportional to 302,491.20, 453,931.20 and 176,131.20
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Solution
The fourth proportional to 302,491.20, 453,931.20 and 176,131.20 is: 264,309.99
Step by Step Solution
- Step 1: Write the proportion equation
302,491.20 : 453,931.20 = 176,131.20 : x - Step 2: Convert to fraction form
302,491.20/453,931.20 = 176,131.20/x - Step 3: Cross multiply
302,491.20x = 453,931.20 × 176,131.20 - Step 4: Simplify right side
302,491.20x = 79,951,446,973.44 - Step 5: Solve for x
x = 79,951,446,973.44/302,491.20 - Step 6: Final answer
x = 264,309.99
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1.5x scale
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.