Finding the Fourth Proportional to 450,446.74, 621,616.58 and 246,497.71
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Solution
The fourth proportional to 450,446.74, 621,616.58 and 246,497.71 is: 340,166.88
Step by Step Solution
- Step 1: Write the proportion equation
450,446.74 : 621,616.58 = 246,497.71 : x - Step 2: Convert to fraction form
450,446.74/621,616.58 = 246,497.71/x - Step 3: Cross multiply
450,446.74x = 621,616.58 × 246,497.71 - Step 4: Simplify right side
450,446.74x = 153,227,063,468.03 - Step 5: Solve for x
x = 153,227,063,468.03/450,446.74 - Step 6: Final answer
x = 340,166.88
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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.