Finding the Fourth Proportional to 455,417.70, 683,362.97 and 185,743.68
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Solution
The fourth proportional to 455,417.70, 683,362.97 and 185,743.68 is: 278,711.95
Step by Step Solution
- Step 1: Write the proportion equation
455,417.70 : 683,362.97 = 185,743.68 : x - Step 2: Convert to fraction form
455,417.70/683,362.97 = 185,743.68/x - Step 3: Cross multiply
455,417.70x = 683,362.97 × 185,743.68 - Step 4: Simplify right side
455,417.70x = 126,930,354,805.69 - Step 5: Solve for x
x = 126,930,354,805.69/455,417.70 - Step 6: Final answer
x = 278,711.95
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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.