Finding the Fourth Proportional to 385,560.09, 578,246.99 and 148,751.73
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Solution
The fourth proportional to 385,560.09, 578,246.99 and 148,751.73 is: 223,091.66
Step by Step Solution
- Step 1: Write the proportion equation
385,560.09 : 578,246.99 = 148,751.73 : x - Step 2: Convert to fraction form
385,560.09/578,246.99 = 148,751.73/x - Step 3: Cross multiply
385,560.09x = 578,246.99 × 148,751.73 - Step 4: Simplify right side
385,560.09x = 86,015,239,386.03 - Step 5: Solve for x
x = 86,015,239,386.03/385,560.09 - Step 6: Final answer
x = 223,091.66
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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.