Finding the Fourth Proportional to 509,646.99, 764,475.09 and 154,661.00
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Solution
The fourth proportional to 509,646.99, 764,475.09 and 154,661.00 is: 231,992.89
Step by Step Solution
- Step 1: Write the proportion equation
509,646.99 : 764,475.09 = 154,661.00 : x - Step 2: Convert to fraction form
509,646.99/764,475.09 = 154,661.00/x - Step 3: Cross multiply
509,646.99x = 764,475.09 × 154,661.00 - Step 4: Simplify right side
509,646.99x = 118,234,477,927.12 - Step 5: Solve for x
x = 118,234,477,927.12/509,646.99 - Step 6: Final answer
x = 231,992.89
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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.