Finding the Fourth Proportional to 145,372.02, 218,057.86 and 45,539.99
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Solution
The fourth proportional to 145,372.02, 218,057.86 and 45,539.99 is: 68,309.93
Step by Step Solution
- Step 1: Write the proportion equation
145,372.02 : 218,057.86 = 45,539.99 : x - Step 2: Convert to fraction form
145,372.02/218,057.86 = 45,539.99/x - Step 3: Cross multiply
145,372.02x = 218,057.86 × 45,539.99 - Step 4: Simplify right side
145,372.02x = 9,930,352,377.40 - Step 5: Solve for x
x = 9,930,352,377.40/145,372.02 - Step 6: Final answer
x = 68,309.93
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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.