Finding the Fourth Proportional to 250,734.70, 345,929.73 and 143,228.62
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Solution
The fourth proportional to 250,734.70, 345,929.73 and 143,228.62 is: 197,607.42
Step by Step Solution
- Step 1: Write the proportion equation
250,734.70 : 345,929.73 = 143,228.62 : x - Step 2: Convert to fraction form
250,734.70/345,929.73 = 143,228.62/x - Step 3: Cross multiply
250,734.70x = 345,929.73 × 143,228.62 - Step 4: Simplify right side
250,734.70x = 49,547,037,844.87 - Step 5: Solve for x
x = 49,547,037,844.87/250,734.70 - Step 6: Final answer
x = 197,607.42
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1.5x scale
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.