Finding the Fourth Proportional to 628,470.36, 942,853.14 and 207,746.22
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Solution
The fourth proportional to 628,470.36, 942,853.14 and 207,746.22 is: 311,668.12
Step by Step Solution
- Step 1: Write the proportion equation
628,470.36 : 942,853.14 = 207,746.22 : x - Step 2: Convert to fraction form
628,470.36/942,853.14 = 207,746.22/x - Step 3: Cross multiply
628,470.36x = 942,853.14 × 207,746.22 - Step 4: Simplify right side
628,470.36x = 195,874,175,850.13 - Step 5: Solve for x
x = 195,874,175,850.13/628,470.36 - Step 6: Final answer
x = 311,668.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.