Finding the Fourth Proportional to 177,989.80, 245,622.60 and 97,415.68
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Solution
The fourth proportional to 177,989.80, 245,622.60 and 97,415.68 is: 134,431.82
Step by Step Solution
- Step 1: Write the proportion equation
177,989.80 : 245,622.60 = 97,415.68 : x - Step 2: Convert to fraction form
177,989.80/245,622.60 = 97,415.68/x - Step 3: Cross multiply
177,989.80x = 245,622.60 × 97,415.68 - Step 4: Simplify right side
177,989.80x = 23,927,492,602.37 - Step 5: Solve for x
x = 23,927,492,602.37/177,989.80 - Step 6: Final answer
x = 134,431.82
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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.