Finding the Fourth Proportional to 468,405.12, 702,528.12 and 131,368.44
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Solution
The fourth proportional to 468,405.12, 702,528.12 and 131,368.44 is: 197,030.35
Step by Step Solution
- Step 1: Write the proportion equation
468,405.12 : 702,528.12 = 131,368.44 : x - Step 2: Convert to fraction form
468,405.12/702,528.12 = 131,368.44/x - Step 3: Cross multiply
468,405.12x = 702,528.12 × 131,368.44 - Step 4: Simplify right side
468,405.12x = 92,290,023,180.53 - Step 5: Solve for x
x = 92,290,023,180.53/468,405.12 - Step 6: Final answer
x = 197,030.35
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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.