Finding the Fourth Proportional to 177,728.19, 245,265.39 and 97,156.68
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Solution
The fourth proportional to 177,728.19, 245,265.39 and 97,156.68 is: 134,076.49
Step by Step Solution
- Step 1: Write the proportion equation
177,728.19 : 245,265.39 = 97,156.68 : x - Step 2: Convert to fraction form
177,728.19/245,265.39 = 97,156.68/x - Step 3: Cross multiply
177,728.19x = 245,265.39 × 97,156.68 - Step 4: Simplify right side
177,728.19x = 23,829,171,011.31 - Step 5: Solve for x
x = 23,829,171,011.31/177,728.19 - Step 6: Final answer
x = 134,076.49
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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.