Finding the Fourth Proportional to 169,756.77, 234,176.49 and 115,311.74
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Solution
The fourth proportional to 169,756.77, 234,176.49 and 115,311.74 is: 159,070.53
Step by Step Solution
- Step 1: Write the proportion equation
169,756.77 : 234,176.49 = 115,311.74 : x - Step 2: Convert to fraction form
169,756.77/234,176.49 = 115,311.74/x - Step 3: Cross multiply
169,756.77x = 234,176.49 × 115,311.74 - Step 4: Simplify right side
169,756.77x = 27,003,298,528.99 - Step 5: Solve for x
x = 27,003,298,528.99/169,756.77 - Step 6: Final answer
x = 159,070.53
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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.