Finding the Fourth Proportional to 450,392.08, 621,531.48 and 246,442.20
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Solution
The fourth proportional to 450,392.08, 621,531.48 and 246,442.20 is: 340,084.99
Step by Step Solution
- Step 1: Write the proportion equation
450,392.08 : 621,531.48 = 246,442.20 : x - Step 2: Convert to fraction form
450,392.08/621,531.48 = 246,442.20/x - Step 3: Cross multiply
450,392.08x = 621,531.48 × 246,442.20 - Step 4: Simplify right side
450,392.08x = 153,171,585,300.46 - Step 5: Solve for x
x = 153,171,585,300.46/450,392.08 - Step 6: Final answer
x = 340,084.99
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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.