Finding the Fourth Proportional to 450,402.48, 621,550.14 and 246,451.08
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Solution
The fourth proportional to 450,402.48, 621,550.14 and 246,451.08 is: 340,099.60
Step by Step Solution
- Step 1: Write the proportion equation
450,402.48 : 621,550.14 = 246,451.08 : x - Step 2: Convert to fraction form
450,402.48/621,550.14 = 246,451.08/x - Step 3: Cross multiply
450,402.48x = 621,550.14 × 246,451.08 - Step 4: Simplify right side
450,402.48x = 153,181,703,277.15 - Step 5: Solve for x
x = 153,181,703,277.15/450,402.48 - Step 6: Final answer
x = 340,099.60
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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.