Finding the Fourth Proportional to 418,209.99, 577,135.04 and 227,226.57
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Solution
The fourth proportional to 418,209.99, 577,135.04 and 227,226.57 is: 313,575.52
Step by Step Solution
- Step 1: Write the proportion equation
418,209.99 : 577,135.04 = 227,226.57 : x - Step 2: Convert to fraction form
418,209.99/577,135.04 = 227,226.57/x - Step 3: Cross multiply
418,209.99x = 577,135.04 × 227,226.57 - Step 4: Simplify right side
418,209.99x = 131,140,415,566.01 - Step 5: Solve for x
x = 131,140,415,566.01/418,209.99 - Step 6: Final answer
x = 313,575.52
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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.