Finding the Fourth Proportional to 79,792.22, 119,691.36 and 29,867.06
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Solution
The fourth proportional to 79,792.22, 119,691.36 and 29,867.06 is: 44,801.72
Step by Step Solution
- Step 1: Write the proportion equation
79,792.22 : 119,691.36 = 29,867.06 : x - Step 2: Convert to fraction form
79,792.22/119,691.36 = 29,867.06/x - Step 3: Cross multiply
79,792.22x = 119,691.36 × 29,867.06 - Step 4: Simplify right side
79,792.22x = 3,574,829,030.60 - Step 5: Solve for x
x = 3,574,829,030.60/79,792.22 - Step 6: Final answer
x = 44,801.72
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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.