Finding the Fourth Proportional to 411,923.39, 568,513.94 and 230,646.99
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Solution
The fourth proportional to 411,923.39, 568,513.94 and 230,646.99 is: 318,326.25
Step by Step Solution
- Step 1: Write the proportion equation
411,923.39 : 568,513.94 = 230,646.99 : x - Step 2: Convert to fraction form
411,923.39/568,513.94 = 230,646.99/x - Step 3: Cross multiply
411,923.39x = 568,513.94 × 230,646.99 - Step 4: Simplify right side
411,923.39x = 131,126,029,610.66 - Step 5: Solve for x
x = 131,126,029,610.66/411,923.39 - Step 6: Final answer
x = 318,326.25
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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.