Finding the Fourth Proportional to 163,395.40, 245,093.10 and 58,217.80
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Solution
The fourth proportional to 163,395.40, 245,093.10 and 58,217.80 is: 87,326.70
Step by Step Solution
- Step 1: Write the proportion equation
163,395.40 : 245,093.10 = 58,217.80 : x - Step 2: Convert to fraction form
163,395.40/245,093.10 = 58,217.80/x - Step 3: Cross multiply
163,395.40x = 245,093.10 × 58,217.80 - Step 4: Simplify right side
163,395.40x = 14,268,781,077.18 - Step 5: Solve for x
x = 14,268,781,077.18/163,395.40 - Step 6: Final answer
x = 87,326.70
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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.