Finding the Fourth Proportional to 224,131.71, 309,292.75 and 122,154.99
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Solution
The fourth proportional to 224,131.71, 309,292.75 and 122,154.99 is: 168,568.98
Step by Step Solution
- Step 1: Write the proportion equation
224,131.71 : 309,292.75 = 122,154.99 : x - Step 2: Convert to fraction form
224,131.71/309,292.75 = 122,154.99/x - Step 3: Cross multiply
224,131.71x = 309,292.75 × 122,154.99 - Step 4: Simplify right side
224,131.71x = 37,781,652,783.32 - Step 5: Solve for x
x = 37,781,652,783.32/224,131.71 - Step 6: Final answer
x = 168,568.98
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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.