Finding the Fourth Proportional to 135,068.80, 202,335.90 and 118,447.60
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Solution
The fourth proportional to 135,068.80, 202,335.90 and 118,447.60 is: 177,436.99
Step by Step Solution
- Step 1: Write the proportion equation
135,068.80 : 202,335.90 = 118,447.60 : x - Step 2: Convert to fraction form
135,068.80/202,335.90 = 118,447.60/x - Step 3: Cross multiply
135,068.80x = 202,335.90 × 118,447.60 - Step 4: Simplify right side
135,068.80x = 23,966,201,748.84 - Step 5: Solve for x
x = 23,966,201,748.84/135,068.80 - Step 6: Final answer
x = 177,436.99
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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.