Finding the Fourth Proportional to 302,685.09, 417,705.40 and 175,434.49
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Solution
The fourth proportional to 302,685.09, 417,705.40 and 175,434.49 is: 242,099.58
Step by Step Solution
- Step 1: Write the proportion equation
302,685.09 : 417,705.40 = 175,434.49 : x - Step 2: Convert to fraction form
302,685.09/417,705.40 = 175,434.49/x - Step 3: Cross multiply
302,685.09x = 417,705.40 × 175,434.49 - Step 4: Simplify right side
302,685.09x = 73,279,933,380.66 - Step 5: Solve for x
x = 73,279,933,380.66/302,685.09 - Step 6: Final answer
x = 242,099.58
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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.