Finding the Fourth Proportional to 449,617.18, 620,464.44 and 245,663.74
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Solution
The fourth proportional to 449,617.18, 620,464.44 and 245,663.74 is: 339,011.99
Step by Step Solution
- Step 1: Write the proportion equation
449,617.18 : 620,464.44 = 245,663.74 : x - Step 2: Convert to fraction form
449,617.18/620,464.44 = 245,663.74/x - Step 3: Cross multiply
449,617.18x = 620,464.44 × 245,663.74 - Step 4: Simplify right side
449,617.18x = 152,425,614,867.41 - Step 5: Solve for x
x = 152,425,614,867.41/449,617.18 - Step 6: Final answer
x = 339,011.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.