Finding the Fourth Proportional to 455,758.08, 683,565.18 and 286,761.09
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Solution
The fourth proportional to 455,758.08, 683,565.18 and 286,761.09 is: 430,096.37
Step by Step Solution
- Step 1: Write the proportion equation
455,758.08 : 683,565.18 = 286,761.09 : x - Step 2: Convert to fraction form
455,758.08/683,565.18 = 286,761.09/x - Step 3: Cross multiply
455,758.08x = 683,565.18 × 286,761.09 - Step 4: Simplify right side
455,758.08x = 196,019,896,102.85 - Step 5: Solve for x
x = 196,019,896,102.85/455,758.08 - Step 6: Final answer
x = 430,096.37
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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.