Finding the Fourth Proportional to 418,488.96, 577,526.08 and 227,515.44
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Solution
The fourth proportional to 418,488.96, 577,526.08 and 227,515.44 is: 313,977.46
Step by Step Solution
- Step 1: Write the proportion equation
418,488.96 : 577,526.08 = 227,515.44 : x - Step 2: Convert to fraction form
418,488.96/577,526.08 = 227,515.44/x - Step 3: Cross multiply
418,488.96x = 577,526.08 × 227,515.44 - Step 4: Simplify right side
418,488.96x = 131,396,100,202.68 - Step 5: Solve for x
x = 131,396,100,202.68/418,488.96 - Step 6: Final answer
x = 313,977.46
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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.