Finding the Fourth Proportional to 411,838.13, 568,332.29 and 230,551.55
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Solution
The fourth proportional to 411,838.13, 568,332.29 and 230,551.55 is: 318,158.72
Step by Step Solution
- Step 1: Write the proportion equation
411,838.13 : 568,332.29 = 230,551.55 : x - Step 2: Convert to fraction form
411,838.13/568,332.29 = 230,551.55/x - Step 3: Cross multiply
411,838.13x = 568,332.29 × 230,551.55 - Step 4: Simplify right side
411,838.13x = 131,029,891,708.25 - Step 5: Solve for x
x = 131,029,891,708.25/411,838.13 - Step 6: Final answer
x = 318,158.72
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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.