Finding the Fourth Proportional to 224,117.38, 309,274.13 and 122,140.79
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Solution
The fourth proportional to 224,117.38, 309,274.13 and 122,140.79 is: 168,550.02
Step by Step Solution
- Step 1: Write the proportion equation
224,117.38 : 309,274.13 = 122,140.79 : x - Step 2: Convert to fraction form
224,117.38/309,274.13 = 122,140.79/x - Step 3: Cross multiply
224,117.38x = 309,274.13 × 122,140.79 - Step 4: Simplify right side
224,117.38x = 37,774,988,223.19 - Step 5: Solve for x
x = 37,774,988,223.19/224,117.38 - Step 6: Final answer
x = 168,550.02
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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.