Finding the Fourth Proportional to 85,207.68, 127,812.33 and 22,878.18
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Solution
The fourth proportional to 85,207.68, 127,812.33 and 22,878.18 is: 34,317.49
Step by Step Solution
- Step 1: Write the proportion equation
85,207.68 : 127,812.33 = 22,878.18 : x - Step 2: Convert to fraction form
85,207.68/127,812.33 = 22,878.18/x - Step 3: Cross multiply
85,207.68x = 127,812.33 × 22,878.18 - Step 4: Simplify right side
85,207.68x = 2,924,113,491.96 - Step 5: Solve for x
x = 2,924,113,491.96/85,207.68 - Step 6: Final answer
x = 34,317.49
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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.