Finding the Fourth Proportional to 399,197.19, 550,809.84 and 229,398.51
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Solution
The fourth proportional to 399,197.19, 550,809.84 and 229,398.51 is: 316,522.66
Step by Step Solution
- Step 1: Write the proportion equation
399,197.19 : 550,809.84 = 229,398.51 : x - Step 2: Convert to fraction form
399,197.19/550,809.84 = 229,398.51/x - Step 3: Cross multiply
399,197.19x = 550,809.84 × 229,398.51 - Step 4: Simplify right side
399,197.19x = 126,354,956,589.34 - Step 5: Solve for x
x = 126,354,956,589.34/399,197.19 - Step 6: Final answer
x = 316,522.66
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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.