Finding the Fourth Proportional to 216,028.62, 298,071.77 and 125,332.02
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Solution
The fourth proportional to 216,028.62, 298,071.77 and 125,332.02 is: 172,930.50
Step by Step Solution
- Step 1: Write the proportion equation
216,028.62 : 298,071.77 = 125,332.02 : x - Step 2: Convert to fraction form
216,028.62/298,071.77 = 125,332.02/x - Step 3: Cross multiply
216,028.62x = 298,071.77 × 125,332.02 - Step 4: Simplify right side
216,028.62x = 37,357,936,412.42 - Step 5: Solve for x
x = 37,357,936,412.42/216,028.62 - Step 6: Final answer
x = 172,930.50
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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.