Finding the Fourth Proportional to 488,775.84, 733,164.16 and 133,792.80
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Solution
The fourth proportional to 488,775.84, 733,164.16 and 133,792.80 is: 200,689.31
Step by Step Solution
- Step 1: Write the proportion equation
488,775.84 : 733,164.16 = 133,792.80 : x - Step 2: Convert to fraction form
488,775.84/733,164.16 = 133,792.80/x - Step 3: Cross multiply
488,775.84x = 733,164.16 × 133,792.80 - Step 4: Simplify right side
488,775.84x = 98,092,085,826.05 - Step 5: Solve for x
x = 98,092,085,826.05/488,775.84 - Step 6: Final answer
x = 200,689.31
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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.