Finding the Fourth Proportional to 99,402.60, 149,104.08 and 29,281.08
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Solution
The fourth proportional to 99,402.60, 149,104.08 and 29,281.08 is: 43,921.67
Step by Step Solution
- Step 1: Write the proportion equation
99,402.60 : 149,104.08 = 29,281.08 : x - Step 2: Convert to fraction form
99,402.60/149,104.08 = 29,281.08/x - Step 3: Cross multiply
99,402.60x = 149,104.08 × 29,281.08 - Step 4: Simplify right side
99,402.60x = 4,365,928,494.81 - Step 5: Solve for x
x = 4,365,928,494.81/99,402.60 - Step 6: Final answer
x = 43,921.67
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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.