Finding the Fourth Proportional to 138,284.01, 207,402.93 and 38,454.29
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Solution
The fourth proportional to 138,284.01, 207,402.93 and 38,454.29 is: 57,675.02
Step by Step Solution
- Step 1: Write the proportion equation
138,284.01 : 207,402.93 = 38,454.29 : x - Step 2: Convert to fraction form
138,284.01/207,402.93 = 38,454.29/x - Step 3: Cross multiply
138,284.01x = 207,402.93 × 38,454.29 - Step 4: Simplify right side
138,284.01x = 7,975,533,324.46 - Step 5: Solve for x
x = 7,975,533,324.46/138,284.01 - Step 6: Final answer
x = 57,675.02
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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.