Finding the Fourth Proportional to 455,703.28, 683,620.26 and 140,186.68
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Solution
The fourth proportional to 455,703.28, 683,620.26 and 140,186.68 is: 210,300.12
Step by Step Solution
- Step 1: Write the proportion equation
455,703.28 : 683,620.26 = 140,186.68 : x - Step 2: Convert to fraction form
455,703.28/683,620.26 = 140,186.68/x - Step 3: Cross multiply
455,703.28x = 683,620.26 × 140,186.68 - Step 4: Simplify right side
455,703.28x = 95,834,454,630.14 - Step 5: Solve for x
x = 95,834,454,630.14/455,703.28 - Step 6: Final answer
x = 210,300.12
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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.