Finding the Fourth Proportional to 145,839.70, 201,351.66 and 119,045.91
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Solution
The fourth proportional to 145,839.70, 201,351.66 and 119,045.91 is: 164,359.17
Step by Step Solution
- Step 1: Write the proportion equation
145,839.70 : 201,351.66 = 119,045.91 : x - Step 2: Convert to fraction form
145,839.70/201,351.66 = 119,045.91/x - Step 3: Cross multiply
145,839.70x = 201,351.66 × 119,045.91 - Step 4: Simplify right side
145,839.70x = 23,970,091,594.71 - Step 5: Solve for x
x = 23,970,091,594.71/145,839.70 - Step 6: Final answer
x = 164,359.17
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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.