Finding the Fourth Proportional to 418,395.99, 577,382.07 and 227,407.98
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Solution
The fourth proportional to 418,395.99, 577,382.07 and 227,407.98 is: 313,820.62
Step by Step Solution
- Step 1: Write the proportion equation
418,395.99 : 577,382.07 = 227,407.98 : x - Step 2: Convert to fraction form
418,395.99/577,382.07 = 227,407.98/x - Step 3: Cross multiply
418,395.99x = 577,382.07 × 227,407.98 - Step 4: Simplify right side
418,395.99x = 131,301,290,226.92 - Step 5: Solve for x
x = 131,301,290,226.92/418,395.99 - Step 6: Final answer
x = 313,820.62
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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.