Finding the Fourth Proportional to 450,445.24, 621,614.50 and 246,496.21
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Solution
The fourth proportional to 450,445.24, 621,614.50 and 246,496.21 is: 340,164.81
Step by Step Solution
- Step 1: Write the proportion equation
450,445.24 : 621,614.50 = 246,496.21 : x - Step 2: Convert to fraction form
450,445.24/621,614.50 = 246,496.21/x - Step 3: Cross multiply
450,445.24x = 621,614.50 × 246,496.21 - Step 4: Simplify right side
450,445.24x = 153,225,618,331.05 - Step 5: Solve for x
x = 153,225,618,331.05/450,445.24 - Step 6: Final answer
x = 340,164.81
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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.