Finding the Fourth Proportional to 330,052.76, 455,326.26 and 215,304.98
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Solution
The fourth proportional to 330,052.76, 455,326.26 and 215,304.98 is: 297,025.28
Step by Step Solution
- Step 1: Write the proportion equation
330,052.76 : 455,326.26 = 215,304.98 : x - Step 2: Convert to fraction form
330,052.76/455,326.26 = 215,304.98/x - Step 3: Cross multiply
330,052.76x = 455,326.26 × 215,304.98 - Step 4: Simplify right side
330,052.76x = 98,034,011,302.77 - Step 5: Solve for x
x = 98,034,011,302.77/330,052.76 - Step 6: Final answer
x = 297,025.28
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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.