Finding the Fourth Proportional to 302,245.28, 417,090.12 and 164,419.62
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Solution
The fourth proportional to 302,245.28, 417,090.12 and 164,419.62 is: 226,894.52
Step by Step Solution
- Step 1: Write the proportion equation
302,245.28 : 417,090.12 = 164,419.62 : x - Step 2: Convert to fraction form
302,245.28/417,090.12 = 164,419.62/x - Step 3: Cross multiply
302,245.28x = 417,090.12 × 164,419.62 - Step 4: Simplify right side
302,245.28x = 68,577,799,036.15 - Step 5: Solve for x
x = 68,577,799,036.15/302,245.28 - Step 6: Final answer
x = 226,894.52
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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.