Finding the Fourth Proportional to 509,552.70, 764,329.05 and 209,933.70
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Solution
The fourth proportional to 509,552.70, 764,329.05 and 209,933.70 is: 314,900.55
Step by Step Solution
- Step 1: Write the proportion equation
509,552.70 : 764,329.05 = 209,933.70 : x - Step 2: Convert to fraction form
509,552.70/764,329.05 = 209,933.70/x - Step 3: Cross multiply
509,552.70x = 764,329.05 × 209,933.70 - Step 4: Simplify right side
509,552.70x = 160,458,425,483.99 - Step 5: Solve for x
x = 160,458,425,483.99/509,552.70 - Step 6: Final answer
x = 314,900.55
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1.5x scale
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.