Finding the Fourth Proportional to 291,611.09, 437,416.65 and 69,995.09
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Solution
The fourth proportional to 291,611.09, 437,416.65 and 69,995.09 is: 104,992.64
Step by Step Solution
- Step 1: Write the proportion equation
291,611.09 : 437,416.65 = 69,995.09 : x - Step 2: Convert to fraction form
291,611.09/437,416.65 = 69,995.09/x - Step 3: Cross multiply
291,611.09x = 437,416.65 × 69,995.09 - Step 4: Simplify right side
291,611.09x = 30,617,017,784.25 - Step 5: Solve for x
x = 30,617,017,784.25/291,611.09 - Step 6: Final answer
x = 104,992.64
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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.