Finding the Fourth Proportional to 177,999.49, 245,639.60 and 97,432.12
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Solution
The fourth proportional to 177,999.49, 245,639.60 and 97,432.12 is: 134,456.49
Step by Step Solution
- Step 1: Write the proportion equation
177,999.49 : 245,639.60 = 97,432.12 : x - Step 2: Convert to fraction form
177,999.49/245,639.60 = 97,432.12/x - Step 3: Cross multiply
177,999.49x = 245,639.60 × 97,432.12 - Step 4: Simplify right side
177,999.49x = 23,933,186,983.95 - Step 5: Solve for x
x = 23,933,186,983.95/177,999.49 - Step 6: Final answer
x = 134,456.49
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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.