Finding the Fourth Proportional to 509,553.84, 764,332.60 and 154,570.96
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Solution
The fourth proportional to 509,553.84, 764,332.60 and 154,570.96 is: 231,857.00
Step by Step Solution
- Step 1: Write the proportion equation
509,553.84 : 764,332.60 = 154,570.96 : x - Step 2: Convert to fraction form
509,553.84/764,332.60 = 154,570.96/x - Step 3: Cross multiply
509,553.84x = 764,332.60 × 154,570.96 - Step 4: Simplify right side
509,553.84x = 118,143,623,741.30 - Step 5: Solve for x
x = 118,143,623,741.30/509,553.84 - Step 6: Final answer
x = 231,857.00
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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.