Finding the Fourth Proportional to 310,766.71, 465,283.97 and 158,636.54
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Solution
The fourth proportional to 310,766.71, 465,283.97 and 158,636.54 is: 237,512.70
Step by Step Solution
- Step 1: Write the proportion equation
310,766.71 : 465,283.97 = 158,636.54 : x - Step 2: Convert to fraction form
310,766.71/465,283.97 = 158,636.54/x - Step 3: Cross multiply
310,766.71x = 465,283.97 × 158,636.54 - Step 4: Simplify right side
310,766.71x = 73,811,039,118.26 - Step 5: Solve for x
x = 73,811,039,118.26/310,766.71 - Step 6: Final answer
x = 237,512.70
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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.