Finding the Fourth Proportional to 224,079.79, 309,226.11 and 122,106.13
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Solution
The fourth proportional to 224,079.79, 309,226.11 and 122,106.13 is: 168,504.28
Step by Step Solution
- Step 1: Write the proportion equation
224,079.79 : 309,226.11 = 122,106.13 : x - Step 2: Convert to fraction form
224,079.79/309,226.11 = 122,106.13/x - Step 3: Cross multiply
224,079.79x = 309,226.11 × 122,106.13 - Step 4: Simplify right side
224,079.79x = 37,758,403,587.05 - Step 5: Solve for x
x = 37,758,403,587.05/224,079.79 - Step 6: Final answer
x = 168,504.28
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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.