Finding the Fourth Proportional to 402,581.49, 555,563.60 and 230,502.09
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Solution
The fourth proportional to 402,581.49, 555,563.60 and 230,502.09 is: 318,093.54
Step by Step Solution
- Step 1: Write the proportion equation
402,581.49 : 555,563.60 = 230,502.09 : x - Step 2: Convert to fraction form
402,581.49/555,563.60 = 230,502.09/x - Step 3: Cross multiply
402,581.49x = 555,563.60 × 230,502.09 - Step 4: Simplify right side
402,581.49x = 128,058,569,598.12 - Step 5: Solve for x
x = 128,058,569,598.12/402,581.49 - Step 6: Final answer
x = 318,093.54
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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.