Finding the Fourth Proportional to 513,197.87, 708,184.49 and 283,741.88
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Solution
The fourth proportional to 513,197.87, 708,184.49 and 283,741.88 is: 391,547.99
Step by Step Solution
- Step 1: Write the proportion equation
513,197.87 : 708,184.49 = 283,741.88 : x - Step 2: Convert to fraction form
513,197.87/708,184.49 = 283,741.88/x - Step 3: Cross multiply
513,197.87x = 708,184.49 × 283,741.88 - Step 4: Simplify right side
513,197.87x = 200,941,593,619.81 - Step 5: Solve for x
x = 200,941,593,619.81/513,197.87 - Step 6: Final answer
x = 391,547.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.