Finding the Fourth Proportional to 323,113.60, 484,740.30 and 98,468.09
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Solution
The fourth proportional to 323,113.60, 484,740.30 and 98,468.09 is: 147,723.44
Step by Step Solution
- Step 1: Write the proportion equation
323,113.60 : 484,740.30 = 98,468.09 : x - Step 2: Convert to fraction form
323,113.60/484,740.30 = 98,468.09/x - Step 3: Cross multiply
323,113.60x = 484,740.30 × 98,468.09 - Step 4: Simplify right side
323,113.60x = 47,731,451,487.03 - Step 5: Solve for x
x = 47,731,451,487.03/323,113.60 - Step 6: Final answer
x = 147,723.44
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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.