Finding the Fourth Proportional to 445,715.16, 668,671.15 and 165,232.41
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Solution
The fourth proportional to 445,715.16, 668,671.15 and 165,232.41 is: 247,885.09
Step by Step Solution
- Step 1: Write the proportion equation
445,715.16 : 668,671.15 = 165,232.41 : x - Step 2: Convert to fraction form
445,715.16/668,671.15 = 165,232.41/x - Step 3: Cross multiply
445,715.16x = 668,671.15 × 165,232.41 - Step 4: Simplify right side
445,715.16x = 110,486,143,001.18 - Step 5: Solve for x
x = 110,486,143,001.18/445,715.16 - Step 6: Final answer
x = 247,885.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.