Finding the Fourth Proportional to 518,210.26, 715,119.44 and 288,766.62
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Solution
The fourth proportional to 518,210.26, 715,119.44 and 288,766.62 is: 398,491.96
Step by Step Solution
- Step 1: Write the proportion equation
518,210.26 : 715,119.44 = 288,766.62 : x - Step 2: Convert to fraction form
518,210.26/715,119.44 = 288,766.62/x - Step 3: Cross multiply
518,210.26x = 715,119.44 × 288,766.62 - Step 4: Simplify right side
518,210.26x = 206,502,622,141.26 - Step 5: Solve for x
x = 206,502,622,141.26/518,210.26 - Step 6: Final answer
x = 398,491.96
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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.