Finding the Fourth Proportional to 135,281.60, 202,922.40 and 93,291.20
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Solution
The fourth proportional to 135,281.60, 202,922.40 and 93,291.20 is: 139,936.80
Step by Step Solution
- Step 1: Write the proportion equation
135,281.60 : 202,922.40 = 93,291.20 : x - Step 2: Convert to fraction form
135,281.60/202,922.40 = 93,291.20/x - Step 3: Cross multiply
135,281.60x = 202,922.40 × 93,291.20 - Step 4: Simplify right side
135,281.60x = 18,930,874,202.88 - Step 5: Solve for x
x = 18,930,874,202.88/135,281.60 - Step 6: Final answer
x = 139,936.80
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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.