Finding the Fourth Proportional to 386,792.14, 579,789.09 and 162,282.94
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Solution
The fourth proportional to 386,792.14, 579,789.09 and 162,282.94 is: 243,256.95
Step by Step Solution
- Step 1: Write the proportion equation
386,792.14 : 579,789.09 = 162,282.94 : x - Step 2: Convert to fraction form
386,792.14/579,789.09 = 162,282.94/x - Step 3: Cross multiply
386,792.14x = 579,789.09 × 162,282.94 - Step 4: Simplify right side
386,792.14x = 94,089,878,105.12 - Step 5: Solve for x
x = 94,089,878,105.12/386,792.14 - Step 6: Final answer
x = 243,256.95
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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.