Finding the Fourth Proportional to 638,336.62, 957,537.78 and 165,026.08
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Solution
The fourth proportional to 638,336.62, 957,537.78 and 165,026.08 is: 247,547.61
Step by Step Solution
- Step 1: Write the proportion equation
638,336.62 : 957,537.78 = 165,026.08 : x - Step 2: Convert to fraction form
638,336.62/957,537.78 = 165,026.08/x - Step 3: Cross multiply
638,336.62x = 957,537.78 × 165,026.08 - Step 4: Simplify right side
638,336.62x = 158,018,706,285.30 - Step 5: Solve for x
x = 158,018,706,285.30/638,336.62 - Step 6: Final answer
x = 247,547.61
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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.