Finding the Fourth Proportional to 479,768.97, 719,527.86 and 142,718.88
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Solution
The fourth proportional to 479,768.97, 719,527.86 and 142,718.88 is: 214,040.96
Step by Step Solution
- Step 1: Write the proportion equation
479,768.97 : 719,527.86 = 142,718.88 : x - Step 2: Convert to fraction form
479,768.97/719,527.86 = 142,718.88/x - Step 3: Cross multiply
479,768.97x = 719,527.86 × 142,718.88 - Step 4: Simplify right side
479,768.97x = 102,690,210,308.00 - Step 5: Solve for x
x = 102,690,210,308.00/479,768.97 - Step 6: Final answer
x = 214,040.96
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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.