Finding the Fourth Proportional to 381,519.76, 572,283.60 and 115,282.48
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Solution
The fourth proportional to 381,519.76, 572,283.60 and 115,282.48 is: 172,924.92
Step by Step Solution
- Step 1: Write the proportion equation
381,519.76 : 572,283.60 = 115,282.48 : x - Step 2: Convert to fraction form
381,519.76/572,283.60 = 115,282.48/x - Step 3: Cross multiply
381,519.76x = 572,283.60 × 115,282.48 - Step 4: Simplify right side
381,519.76x = 65,974,272,671.33 - Step 5: Solve for x
x = 65,974,272,671.33/381,519.76 - Step 6: Final answer
x = 172,924.92
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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.