Finding the Fourth Proportional to 155,353.68, 233,107.92 and 71,113.68
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Solution
The fourth proportional to 155,353.68, 233,107.92 and 71,113.68 is: 106,705.95
Step by Step Solution
- Step 1: Write the proportion equation
155,353.68 : 233,107.92 = 71,113.68 : x - Step 2: Convert to fraction form
155,353.68/233,107.92 = 71,113.68/x - Step 3: Cross multiply
155,353.68x = 233,107.92 × 71,113.68 - Step 4: Simplify right side
155,353.68x = 16,577,162,028.35 - Step 5: Solve for x
x = 16,577,162,028.35/155,353.68 - Step 6: Final answer
x = 106,705.95
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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.