Finding the Fourth Proportional to 455,737.76, 683,491.44 and 135,815.84
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Solution
The fourth proportional to 455,737.76, 683,491.44 and 135,815.84 is: 203,689.43
Step by Step Solution
- Step 1: Write the proportion equation
455,737.76 : 683,491.44 = 135,815.84 : x - Step 2: Convert to fraction form
455,737.76/683,491.44 = 135,815.84/x - Step 3: Cross multiply
455,737.76x = 683,491.44 × 135,815.84 - Step 4: Simplify right side
455,737.76x = 92,828,964,056.41 - Step 5: Solve for x
x = 92,828,964,056.41/455,737.76 - Step 6: Final answer
x = 203,689.43
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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.