Finding the Fourth Proportional to 163,905.40, 245,858.10 and 58,727.80
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Solution
The fourth proportional to 163,905.40, 245,858.10 and 58,727.80 is: 88,091.70
Step by Step Solution
- Step 1: Write the proportion equation
163,905.40 : 245,858.10 = 58,727.80 : x - Step 2: Convert to fraction form
163,905.40/245,858.10 = 58,727.80/x - Step 3: Cross multiply
163,905.40x = 245,858.10 × 58,727.80 - Step 4: Simplify right side
163,905.40x = 14,438,705,325.18 - Step 5: Solve for x
x = 14,438,705,325.18/163,905.40 - Step 6: Final answer
x = 88,091.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.