Finding the Fourth Proportional to 399,309.62, 598,764.62 and 132,977.30
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Solution
The fourth proportional to 399,309.62, 598,764.62 and 132,977.30 is: 199,399.41
Step by Step Solution
- Step 1: Write the proportion equation
399,309.62 : 598,764.62 = 132,977.30 : x - Step 2: Convert to fraction form
399,309.62/598,764.62 = 132,977.30/x - Step 3: Cross multiply
399,309.62x = 598,764.62 × 132,977.30 - Step 4: Simplify right side
399,309.62x = 79,622,102,503.13 - Step 5: Solve for x
x = 79,622,102,503.13/399,309.62 - Step 6: Final answer
x = 199,399.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.