Finding the Fourth Proportional to 439,153.62, 658,222.02 and 201,998.58
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Solution
The fourth proportional to 439,153.62, 658,222.02 and 201,998.58 is: 302,764.02
Step by Step Solution
- Step 1: Write the proportion equation
439,153.62 : 658,222.02 = 201,998.58 : x - Step 2: Convert to fraction form
439,153.62/658,222.02 = 201,998.58/x - Step 3: Cross multiply
439,153.62x = 658,222.02 × 201,998.58 - Step 4: Simplify right side
439,153.62x = 132,959,913,364.73 - Step 5: Solve for x
x = 132,959,913,364.73/439,153.62 - Step 6: Final answer
x = 302,764.02
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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.