Finding the Fourth Proportional to 449,756.93, 620,663.08 and 245,807.79
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Solution
The fourth proportional to 449,756.93, 620,663.08 and 245,807.79 is: 339,213.94
Step by Step Solution
- Step 1: Write the proportion equation
449,756.93 : 620,663.08 = 245,807.79 : x - Step 2: Convert to fraction form
449,756.93/620,663.08 = 245,807.79/x - Step 3: Cross multiply
449,756.93x = 620,663.08 × 245,807.79 - Step 4: Simplify right side
449,756.93x = 152,563,822,093.79 - Step 5: Solve for x
x = 152,563,822,093.79/449,756.93 - Step 6: Final answer
x = 339,213.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.