Finding the Fourth Proportional to 302,135.76, 453,203.78 and 77,496.21
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Solution
The fourth proportional to 302,135.76, 453,203.78 and 77,496.21 is: 116,244.35
Step by Step Solution
- Step 1: Write the proportion equation
302,135.76 : 453,203.78 = 77,496.21 : x - Step 2: Convert to fraction form
302,135.76/453,203.78 = 77,496.21/x - Step 3: Cross multiply
302,135.76x = 453,203.78 × 77,496.21 - Step 4: Simplify right side
302,135.76x = 35,121,574,920.19 - Step 5: Solve for x
x = 35,121,574,920.19/302,135.76 - Step 6: Final answer
x = 116,244.35
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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.