Finding the Fourth Proportional to 231,095.84, 318,882.95 and 135,567.68
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Solution
The fourth proportional to 231,095.84, 318,882.95 and 135,567.68 is: 187,066.20
Step by Step Solution
- Step 1: Write the proportion equation
231,095.84 : 318,882.95 = 135,567.68 : x - Step 2: Convert to fraction form
231,095.84/318,882.95 = 135,567.68/x - Step 3: Cross multiply
231,095.84x = 318,882.95 × 135,567.68 - Step 4: Simplify right side
231,095.84x = 43,230,219,450.80 - Step 5: Solve for x
x = 43,230,219,450.80/231,095.84 - Step 6: Final answer
x = 187,066.20
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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.