Finding the Fourth Proportional to 216,078.97, 324,118.45 and 58,307.17
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Solution
The fourth proportional to 216,078.97, 324,118.45 and 58,307.17 is: 87,460.75
Step by Step Solution
- Step 1: Write the proportion equation
216,078.97 : 324,118.45 = 58,307.17 : x - Step 2: Convert to fraction form
216,078.97/324,118.45 = 58,307.17/x - Step 3: Cross multiply
216,078.97x = 324,118.45 × 58,307.17 - Step 4: Simplify right side
216,078.97x = 18,898,427,652.16 - Step 5: Solve for x
x = 18,898,427,652.16/216,078.97 - Step 6: Final answer
x = 87,460.75
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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.