Finding the Fourth Proportional to 291,611.84, 437,417.73 and 69,995.84
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Solution
The fourth proportional to 291,611.84, 437,417.73 and 69,995.84 is: 104,993.75
Step by Step Solution
- Step 1: Write the proportion equation
291,611.84 : 437,417.73 = 69,995.84 : x - Step 2: Convert to fraction form
291,611.84/437,417.73 = 69,995.84/x - Step 3: Cross multiply
291,611.84x = 437,417.73 × 69,995.84 - Step 4: Simplify right side
291,611.84x = 30,617,419,255.15 - Step 5: Solve for x
x = 30,617,419,255.15/291,611.84 - Step 6: Final answer
x = 104,993.75
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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.