Finding the Fourth Proportional to 636,716.67, 954,746.35 and 187,379.19
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Solution
The fourth proportional to 636,716.67, 954,746.35 and 187,379.19 is: 280,972.07
Step by Step Solution
- Step 1: Write the proportion equation
636,716.67 : 954,746.35 = 187,379.19 : x - Step 2: Convert to fraction form
636,716.67/954,746.35 = 187,379.19/x - Step 3: Cross multiply
636,716.67x = 954,746.35 × 187,379.19 - Step 4: Simplify right side
636,716.67x = 178,899,600,830.31 - Step 5: Solve for x
x = 178,899,600,830.31/636,716.67 - Step 6: Final answer
x = 280,972.07
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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.