Finding the Fourth Proportional to 97,305.20, 145,842.60 and 72,652.40
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Solution
The fourth proportional to 97,305.20, 145,842.60 and 72,652.40 is: 108,892.59
Step by Step Solution
- Step 1: Write the proportion equation
97,305.20 : 145,842.60 = 72,652.40 : x - Step 2: Convert to fraction form
97,305.20/145,842.60 = 72,652.40/x - Step 3: Cross multiply
97,305.20x = 145,842.60 × 72,652.40 - Step 4: Simplify right side
97,305.20x = 10,595,814,912.24 - Step 5: Solve for x
x = 10,595,814,912.24/97,305.20 - Step 6: Final answer
x = 108,892.59
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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.