Finding the Fourth Proportional to 312,637.41, 469,583.81 and 186,523.70
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Solution
The fourth proportional to 312,637.41, 469,583.81 and 186,523.70 is: 280,160.03
Step by Step Solution
- Step 1: Write the proportion equation
312,637.41 : 469,583.81 = 186,523.70 : x - Step 2: Convert to fraction form
312,637.41/469,583.81 = 186,523.70/x - Step 3: Cross multiply
312,637.41x = 469,583.81 × 186,523.70 - Step 4: Simplify right side
312,637.41x = 87,588,506,420.76 - Step 5: Solve for x
x = 87,588,506,420.76/312,637.41 - Step 6: Final answer
x = 280,160.03
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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.