Finding the Fourth Proportional to 418,283.04, 577,218.96 and 227,290.08
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Solution
The fourth proportional to 418,283.04, 577,218.96 and 227,290.08 is: 313,653.99
Step by Step Solution
- Step 1: Write the proportion equation
418,283.04 : 577,218.96 = 227,290.08 : x - Step 2: Convert to fraction form
418,283.04/577,218.96 = 227,290.08/x - Step 3: Cross multiply
418,283.04x = 577,218.96 × 227,290.08 - Step 4: Simplify right side
418,283.04x = 131,196,143,595.92 - Step 5: Solve for x
x = 131,196,143,595.92/418,283.04 - Step 6: Final answer
x = 313,653.99
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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.