Finding the Fourth Proportional to 302,088.24, 453,121.80 and 77,450.94
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Solution
The fourth proportional to 302,088.24, 453,121.80 and 77,450.94 is: 116,173.70
Step by Step Solution
- Step 1: Write the proportion equation
302,088.24 : 453,121.80 = 77,450.94 : x - Step 2: Convert to fraction form
302,088.24/453,121.80 = 77,450.94/x - Step 3: Cross multiply
302,088.24x = 453,121.80 × 77,450.94 - Step 4: Simplify right side
302,088.24x = 35,094,709,344.49 - Step 5: Solve for x
x = 35,094,709,344.49/302,088.24 - Step 6: Final answer
x = 116,173.70
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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.