Finding the Fourth Proportional to 180,371.09, 248,803.65 and 119,117.84
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Solution
The fourth proportional to 180,371.09, 248,803.65 and 119,117.84 is: 164,310.99
Step by Step Solution
- Step 1: Write the proportion equation
180,371.09 : 248,803.65 = 119,117.84 : x - Step 2: Convert to fraction form
180,371.09/248,803.65 = 119,117.84/x - Step 3: Cross multiply
180,371.09x = 248,803.65 × 119,117.84 - Step 4: Simplify right side
180,371.09x = 29,636,952,128.10 - Step 5: Solve for x
x = 29,636,952,128.10/180,371.09 - Step 6: Final answer
x = 164,310.99
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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.