Finding the Fourth Proportional to 449,928.36, 620,928.36 and 258,937.56
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Solution
The fourth proportional to 449,928.36, 620,928.36 and 258,937.56 is: 357,349.50
Step by Step Solution
- Step 1: Write the proportion equation
449,928.36 : 620,928.36 = 258,937.56 : x - Step 2: Convert to fraction form
449,928.36/620,928.36 = 258,937.56/x - Step 3: Cross multiply
449,928.36x = 620,928.36 × 258,937.56 - Step 4: Simplify right side
449,928.36x = 160,781,674,473.20 - Step 5: Solve for x
x = 160,781,674,473.20/449,928.36 - Step 6: Final answer
x = 357,349.50
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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.