Finding the Fourth Proportional to 375,449.35, 563,168.90 and 91,142.09
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Solution
The fourth proportional to 375,449.35, 563,168.90 and 91,142.09 is: 136,711.88
Step by Step Solution
- Step 1: Write the proportion equation
375,449.35 : 563,168.90 = 91,142.09 : x - Step 2: Convert to fraction form
375,449.35/563,168.90 = 91,142.09/x - Step 3: Cross multiply
375,449.35x = 563,168.90 × 91,142.09 - Step 4: Simplify right side
375,449.35x = 51,328,388,508.98 - Step 5: Solve for x
x = 51,328,388,508.98/375,449.35 - Step 6: Final answer
x = 136,711.88
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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.