Finding the Fourth Proportional to 310,295.66, 465,378.14 and 141,768.14
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Solution
The fourth proportional to 310,295.66, 465,378.14 and 141,768.14 is: 212,622.35
Step by Step Solution
- Step 1: Write the proportion equation
310,295.66 : 465,378.14 = 141,768.14 : x - Step 2: Convert to fraction form
310,295.66/465,378.14 = 141,768.14/x - Step 3: Cross multiply
310,295.66x = 465,378.14 × 141,768.14 - Step 4: Simplify right side
310,295.66x = 65,975,793,304.46 - Step 5: Solve for x
x = 65,975,793,304.46/310,295.66 - Step 6: Final answer
x = 212,622.35
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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.