Finding the Fourth Proportional to 177,769.08, 245,321.76 and 97,201.80
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Solution
The fourth proportional to 177,769.08, 245,321.76 and 97,201.80 is: 134,138.72
Step by Step Solution
- Step 1: Write the proportion equation
177,769.08 : 245,321.76 = 97,201.80 : x - Step 2: Convert to fraction form
177,769.08/245,321.76 = 97,201.80/x - Step 3: Cross multiply
177,769.08x = 245,321.76 × 97,201.80 - Step 4: Simplify right side
177,769.08x = 23,845,716,651.17 - Step 5: Solve for x
x = 23,845,716,651.17/177,769.08 - Step 6: Final answer
x = 134,138.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.