Finding the Fourth Proportional to 412,470.36, 569,083.76 and 259,661.09
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Solution
The fourth proportional to 412,470.36, 569,083.76 and 259,661.09 is: 358,253.40
Step by Step Solution
- Step 1: Write the proportion equation
412,470.36 : 569,083.76 = 259,661.09 : x - Step 2: Convert to fraction form
412,470.36/569,083.76 = 259,661.09/x - Step 3: Cross multiply
412,470.36x = 569,083.76 × 259,661.09 - Step 4: Simplify right side
412,470.36x = 147,768,910,521.03 - Step 5: Solve for x
x = 147,768,910,521.03/412,470.36 - Step 6: Final answer
x = 358,253.40
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1.5x scale
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.