Finding the Fourth Proportional to 178,150.13, 245,847.20 and 97,577.87
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Solution
The fourth proportional to 178,150.13, 245,847.20 and 97,577.87 is: 134,657.46
Step by Step Solution
- Step 1: Write the proportion equation
178,150.13 : 245,847.20 = 97,577.87 : x - Step 2: Convert to fraction form
178,150.13/245,847.20 = 97,577.87/x - Step 3: Cross multiply
178,150.13x = 245,847.20 × 97,577.87 - Step 4: Simplify right side
178,150.13x = 23,989,244,953.21 - Step 5: Solve for x
x = 23,989,244,953.21/178,150.13 - Step 6: Final answer
x = 134,657.46
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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.