Finding the Fourth Proportional to 310,704.18, 465,733.08 and 210,872.49
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Solution
The fourth proportional to 310,704.18, 465,733.08 and 210,872.49 is: 316,089.39
Step by Step Solution
- Step 1: Write the proportion equation
310,704.18 : 465,733.08 = 210,872.49 : x - Step 2: Convert to fraction form
310,704.18/465,733.08 = 210,872.49/x - Step 3: Cross multiply
310,704.18x = 465,733.08 × 210,872.49 - Step 4: Simplify right side
310,704.18x = 98,210,294,254.97 - Step 5: Solve for x
x = 98,210,294,254.97/310,704.18 - Step 6: Final answer
x = 316,089.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.