Finding the Fourth Proportional to 197,305.60, 295,996.80 and 84,985.60
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Solution
The fourth proportional to 197,305.60, 295,996.80 and 84,985.60 is: 127,494.94
Step by Step Solution
- Step 1: Write the proportion equation
197,305.60 : 295,996.80 = 84,985.60 : x - Step 2: Convert to fraction form
197,305.60/295,996.80 = 84,985.60/x - Step 3: Cross multiply
197,305.60x = 295,996.80 × 84,985.60 - Step 4: Simplify right side
197,305.60x = 25,155,465,646.08 - Step 5: Solve for x
x = 25,155,465,646.08/197,305.60 - Step 6: Final answer
x = 127,494.94
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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.