Finding the Fourth Proportional to 172,971.11, 259,302.87 and 93,051.99
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Solution
The fourth proportional to 172,971.11, 259,302.87 and 93,051.99 is: 139,495.25
Step by Step Solution
- Step 1: Write the proportion equation
172,971.11 : 259,302.87 = 93,051.99 : x - Step 2: Convert to fraction form
172,971.11/259,302.87 = 93,051.99/x - Step 3: Cross multiply
172,971.11x = 259,302.87 × 93,051.99 - Step 4: Simplify right side
172,971.11x = 24,128,648,066.21 - Step 5: Solve for x
x = 24,128,648,066.21/172,971.11 - Step 6: Final answer
x = 139,495.25
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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.