Finding the Fourth Proportional to 550,909.99, 760,293.44 and 305,907.40
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Solution
The fourth proportional to 550,909.99, 760,293.44 and 305,907.40 is: 422,173.12
Step by Step Solution
- Step 1: Write the proportion equation
550,909.99 : 760,293.44 = 305,907.40 : x - Step 2: Convert to fraction form
550,909.99/760,293.44 = 305,907.40/x - Step 3: Cross multiply
550,909.99x = 760,293.44 × 305,907.40 - Step 4: Simplify right side
550,909.99x = 232,579,389,467.46 - Step 5: Solve for x
x = 232,579,389,467.46/550,909.99 - Step 6: Final answer
x = 422,173.12
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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.