Finding the Fourth Proportional to 414,291.91, 571,801.36 and 259,315.09
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Solution
The fourth proportional to 414,291.91, 571,801.36 and 259,315.09 is: 357,903.97
Step by Step Solution
- Step 1: Write the proportion equation
414,291.91 : 571,801.36 = 259,315.09 : x - Step 2: Convert to fraction form
414,291.91/571,801.36 = 259,315.09/x - Step 3: Cross multiply
414,291.91x = 571,801.36 × 259,315.09 - Step 4: Simplify right side
414,291.91x = 148,276,721,130.52 - Step 5: Solve for x
x = 148,276,721,130.52/414,291.91 - Step 6: Final answer
x = 357,903.97
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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.