Finding the Fourth Proportional to 366,331.80, 549,497.70 and 254,138.70
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Solution
The fourth proportional to 366,331.80, 549,497.70 and 254,138.70 is: 381,208.05
Step by Step Solution
- Step 1: Write the proportion equation
366,331.80 : 549,497.70 = 254,138.70 : x - Step 2: Convert to fraction form
366,331.80/549,497.70 = 254,138.70/x - Step 3: Cross multiply
366,331.80x = 549,497.70 × 254,138.70 - Step 4: Simplify right side
366,331.80x = 139,648,631,130.99 - Step 5: Solve for x
x = 139,648,631,130.99/366,331.80 - Step 6: Final answer
x = 381,208.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.