Finding the Fourth Proportional to 284,430.22, 392,515.04 and 155,370.49
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Solution
The fourth proportional to 284,430.22, 392,515.04 and 155,370.49 is: 214,412.00
Step by Step Solution
- Step 1: Write the proportion equation
284,430.22 : 392,515.04 = 155,370.49 : x - Step 2: Convert to fraction form
284,430.22/392,515.04 = 155,370.49/x - Step 3: Cross multiply
284,430.22x = 392,515.04 × 155,370.49 - Step 4: Simplify right side
284,430.22x = 60,985,252,134.59 - Step 5: Solve for x
x = 60,985,252,134.59/284,430.22 - Step 6: Final answer
x = 214,412.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.