Finding the Fourth Proportional to 905,157.84, 1,357,736.72 and 231,240.62
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Solution
The fourth proportional to 905,157.84, 1,357,736.72 and 231,240.62 is: 346,860.92
Step by Step Solution
- Step 1: Write the proportion equation
905,157.84 : 1,357,736.72 = 231,240.62 : x - Step 2: Convert to fraction form
905,157.84/1,357,736.72 = 231,240.62/x - Step 3: Cross multiply
905,157.84x = 1,357,736.72 × 231,240.62 - Step 4: Simplify right side
905,157.84x = 313,963,880,929.57 - Step 5: Solve for x
x = 313,963,880,929.57/905,157.84 - Step 6: Final answer
x = 346,860.92
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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.