Finding the Fourth Proportional to 339,979.05, 509,968.58 and 303,237.45
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Solution
The fourth proportional to 339,979.05, 509,968.58 and 303,237.45 is: 454,856.18
Step by Step Solution
- Step 1: Write the proportion equation
339,979.05 : 509,968.58 = 303,237.45 : x - Step 2: Convert to fraction form
339,979.05/509,968.58 = 303,237.45/x - Step 3: Cross multiply
339,979.05x = 509,968.58 × 303,237.45 - Step 4: Simplify right side
339,979.05x = 154,641,570,263.13 - Step 5: Solve for x
x = 154,641,570,263.13/339,979.05 - Step 6: Final answer
x = 454,856.18
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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.