Finding the Fourth Proportional to 513,419.68, 769,937.76 and 176,364.64
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Solution
The fourth proportional to 513,419.68, 769,937.76 and 176,364.64 is: 264,481.09
Step by Step Solution
- Step 1: Write the proportion equation
513,419.68 : 769,937.76 = 176,364.64 : x - Step 2: Convert to fraction form
513,419.68/769,937.76 = 176,364.64/x - Step 3: Cross multiply
513,419.68x = 769,937.76 × 176,364.64 - Step 4: Simplify right side
513,419.68x = 135,789,795,864.81 - Step 5: Solve for x
x = 135,789,795,864.81/513,419.68 - Step 6: Final answer
x = 264,481.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.