Finding the Fourth Proportional to 375,207.56, 562,678.50 and 138,486.68
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Solution
The fourth proportional to 375,207.56, 562,678.50 and 138,486.68 is: 207,680.99
Step by Step Solution
- Step 1: Write the proportion equation
375,207.56 : 562,678.50 = 138,486.68 : x - Step 2: Convert to fraction form
375,207.56/562,678.50 = 138,486.68/x - Step 3: Cross multiply
375,207.56x = 562,678.50 × 138,486.68 - Step 4: Simplify right side
375,207.56x = 77,923,477,372.38 - Step 5: Solve for x
x = 77,923,477,372.38/375,207.56 - Step 6: Final answer
x = 207,680.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.