Finding the Fourth Proportional to 402,635.20, 555,637.71 and 230,555.80
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Solution
The fourth proportional to 402,635.20, 555,637.71 and 230,555.80 is: 318,167.65
Step by Step Solution
- Step 1: Write the proportion equation
402,635.20 : 555,637.71 = 230,555.80 : x - Step 2: Convert to fraction form
402,635.20/555,637.71 = 230,555.80/x - Step 3: Cross multiply
402,635.20x = 555,637.71 × 230,555.80 - Step 4: Simplify right side
402,635.20x = 128,105,496,739.22 - Step 5: Solve for x
x = 128,105,496,739.22/402,635.20 - Step 6: Final answer
x = 318,167.65
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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.