Finding the Fourth Proportional to 513,169.69, 708,161.68 and 283,721.05
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Solution
The fourth proportional to 513,169.69, 708,161.68 and 283,721.05 is: 391,528.14
Step by Step Solution
- Step 1: Write the proportion equation
513,169.69 : 708,161.68 = 283,721.05 : x - Step 2: Convert to fraction form
513,169.69/708,161.68 = 283,721.05/x - Step 3: Cross multiply
513,169.69x = 708,161.68 × 283,721.05 - Step 4: Simplify right side
513,169.69x = 200,920,375,419.36 - Step 5: Solve for x
x = 200,920,375,419.36/513,169.69 - Step 6: Final answer
x = 391,528.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.