Finding the Fourth Proportional to 450,403.48, 621,551.52 and 246,452.08
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Solution
The fourth proportional to 450,403.48, 621,551.52 and 246,452.08 is: 340,100.98
Step by Step Solution
- Step 1: Write the proportion equation
450,403.48 : 621,551.52 = 246,452.08 : x - Step 2: Convert to fraction form
450,403.48/621,551.52 = 246,452.08/x - Step 3: Cross multiply
450,403.48x = 621,551.52 × 246,452.08 - Step 4: Simplify right side
450,403.48x = 153,182,664,931.16 - Step 5: Solve for x
x = 153,182,664,931.16/450,403.48 - Step 6: Final answer
x = 340,100.98
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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.