Finding the Fourth Proportional to 426,076.99, 587,998.54 and 235,102.68
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Solution
The fourth proportional to 426,076.99, 587,998.54 and 235,102.68 is: 324,448.48
Step by Step Solution
- Step 1: Write the proportion equation
426,076.99 : 587,998.54 = 235,102.68 : x - Step 2: Convert to fraction form
426,076.99/587,998.54 = 235,102.68/x - Step 3: Cross multiply
426,076.99x = 587,998.54 × 235,102.68 - Step 4: Simplify right side
426,076.99x = 138,240,032,590.09 - Step 5: Solve for x
x = 138,240,032,590.09/426,076.99 - Step 6: Final answer
x = 324,448.48
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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.