Finding the Fourth Proportional to 168,583.80, 252,875.70 and 147,847.80
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Solution
The fourth proportional to 168,583.80, 252,875.70 and 147,847.80 is: 221,771.70
Step by Step Solution
- Step 1: Write the proportion equation
168,583.80 : 252,875.70 = 147,847.80 : x - Step 2: Convert to fraction form
168,583.80/252,875.70 = 147,847.80/x - Step 3: Cross multiply
168,583.80x = 252,875.70 × 147,847.80 - Step 4: Simplify right side
168,583.80x = 37,387,115,918.46 - Step 5: Solve for x
x = 37,387,115,918.46/168,583.80 - Step 6: Final answer
x = 221,771.70
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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.