Finding the Fourth Proportional to 455,607.68, 683,402.29 and 118,640.88
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Solution
The fourth proportional to 455,607.68, 683,402.29 and 118,640.88 is: 177,958.92
Step by Step Solution
- Step 1: Write the proportion equation
455,607.68 : 683,402.29 = 118,640.88 : x - Step 2: Convert to fraction form
455,607.68/683,402.29 = 118,640.88/x - Step 3: Cross multiply
455,607.68x = 683,402.29 × 118,640.88 - Step 4: Simplify right side
455,607.68x = 81,079,448,783.01 - Step 5: Solve for x
x = 81,079,448,783.01/455,607.68 - Step 6: Final answer
x = 177,958.92
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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.