Finding the Fourth Proportional to 450,149.76, 621,183.48 and 246,160.98
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Solution
The fourth proportional to 450,149.76, 621,183.48 and 246,160.98 is: 339,689.47
Step by Step Solution
- Step 1: Write the proportion equation
450,149.76 : 621,183.48 = 246,160.98 : x - Step 2: Convert to fraction form
450,149.76/621,183.48 = 246,160.98/x - Step 3: Cross multiply
450,149.76x = 621,183.48 × 246,160.98 - Step 4: Simplify right side
450,149.76x = 152,911,134,196.61 - Step 5: Solve for x
x = 152,911,134,196.61/450,149.76 - Step 6: Final answer
x = 339,689.47
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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.