Finding the Fourth Proportional to 168,037.60, 252,056.40 and 155,207.20
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Solution
The fourth proportional to 168,037.60, 252,056.40 and 155,207.20 is: 232,810.80
Step by Step Solution
- Step 1: Write the proportion equation
168,037.60 : 252,056.40 = 155,207.20 : x - Step 2: Convert to fraction form
168,037.60/252,056.40 = 155,207.20/x - Step 3: Cross multiply
168,037.60x = 252,056.40 × 155,207.20 - Step 4: Simplify right side
168,037.60x = 39,120,968,086.08 - Step 5: Solve for x
x = 39,120,968,086.08/168,037.60 - Step 6: Final answer
x = 232,810.80
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1.5x scale
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.