Finding the Fourth Proportional to 450,344.65, 621,470.09 and 246,392.63
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Solution
The fourth proportional to 450,344.65, 621,470.09 and 246,392.63 is: 340,018.81
Step by Step Solution
- Step 1: Write the proportion equation
450,344.65 : 621,470.09 = 246,392.63 : x - Step 2: Convert to fraction form
450,344.65/621,470.09 = 246,392.63/x - Step 3: Cross multiply
450,344.65x = 621,470.09 × 246,392.63 - Step 4: Simplify right side
450,344.65x = 153,125,651,613.16 - Step 5: Solve for x
x = 153,125,651,613.16/450,344.65 - Step 6: Final answer
x = 340,018.81
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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.