Finding the Fourth Proportional to 224,175.05, 309,357.35 and 122,201.45
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Solution
The fourth proportional to 224,175.05, 309,357.35 and 122,201.45 is: 168,635.70
Step by Step Solution
- Step 1: Write the proportion equation
224,175.05 : 309,357.35 = 122,201.45 : x - Step 2: Convert to fraction form
224,175.05/309,357.35 = 122,201.45/x - Step 3: Cross multiply
224,175.05x = 309,357.35 × 122,201.45 - Step 4: Simplify right side
224,175.05x = 37,803,916,127.15 - Step 5: Solve for x
x = 37,803,916,127.15/224,175.05 - Step 6: Final answer
x = 168,635.70
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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.