Finding the Fourth Proportional to 417,177.74, 575,700.11 and 226,190.68
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Solution
The fourth proportional to 417,177.74, 575,700.11 and 226,190.68 is: 312,140.33
Step by Step Solution
- Step 1: Write the proportion equation
417,177.74 : 575,700.11 = 226,190.68 : x - Step 2: Convert to fraction form
417,177.74/575,700.11 = 226,190.68/x - Step 3: Cross multiply
417,177.74x = 575,700.11 × 226,190.68 - Step 4: Simplify right side
417,177.74x = 130,217,997,634.99 - Step 5: Solve for x
x = 130,217,997,634.99/417,177.74 - Step 6: Final answer
x = 312,140.33
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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.