Finding the Fourth Proportional to 224,130.71, 309,291.38 and 122,153.99
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Solution
The fourth proportional to 224,130.71, 309,291.38 and 122,153.99 is: 168,567.59
Step by Step Solution
- Step 1: Write the proportion equation
224,130.71 : 309,291.38 = 122,153.99 : x - Step 2: Convert to fraction form
224,130.71/309,291.38 = 122,153.99/x - Step 3: Cross multiply
224,130.71x = 309,291.38 × 122,153.99 - Step 4: Simplify right side
224,130.71x = 37,781,173,982.38 - Step 5: Solve for x
x = 37,781,173,982.38/224,130.71 - Step 6: Final answer
x = 168,567.59
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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.