Finding the Fourth Proportional to 339,860.06, 509,756.96 and 103,204.79
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Solution
The fourth proportional to 339,860.06, 509,756.96 and 103,204.79 is: 154,797.12
Step by Step Solution
- Step 1: Write the proportion equation
339,860.06 : 509,756.96 = 103,204.79 : x - Step 2: Convert to fraction form
339,860.06/509,756.96 = 103,204.79/x - Step 3: Cross multiply
339,860.06x = 509,756.96 × 103,204.79 - Step 4: Simplify right side
339,860.06x = 52,609,356,943.03 - Step 5: Solve for x
x = 52,609,356,943.03/339,860.06 - Step 6: Final answer
x = 154,797.12
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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.