Finding the Fourth Proportional to 310,701.18, 465,728.58 and 210,869.49
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Solution
The fourth proportional to 310,701.18, 465,728.58 and 210,869.49 is: 316,084.89
Step by Step Solution
- Step 1: Write the proportion equation
310,701.18 : 465,728.58 = 210,869.49 : x - Step 2: Convert to fraction form
310,701.18/465,728.58 = 210,869.49/x - Step 3: Cross multiply
310,701.18x = 465,728.58 × 210,869.49 - Step 4: Simplify right side
310,701.18x = 98,207,948,143.02 - Step 5: Solve for x
x = 98,207,948,143.02/310,701.18 - Step 6: Final answer
x = 316,084.89
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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.