Finding the Fourth Proportional to 611,651.07, 917,476.61 and 190,962.99
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Solution
The fourth proportional to 611,651.07, 917,476.61 and 190,962.99 is: 286,444.49
Step by Step Solution
- Step 1: Write the proportion equation
611,651.07 : 917,476.61 = 190,962.99 : x - Step 2: Convert to fraction form
611,651.07/917,476.61 = 190,962.99/x - Step 3: Cross multiply
611,651.07x = 917,476.61 × 190,962.99 - Step 4: Simplify right side
611,651.07x = 175,204,075,745.85 - Step 5: Solve for x
x = 175,204,075,745.85/611,651.07 - Step 6: Final answer
x = 286,444.49
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.