Finding the Fourth Proportional to 377,628.90, 521,136.08 and 207,863.02
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Solution
The fourth proportional to 377,628.90, 521,136.08 and 207,863.02 is: 286,855.48
Step by Step Solution
- Step 1: Write the proportion equation
377,628.90 : 521,136.08 = 207,863.02 : x - Step 2: Convert to fraction form
377,628.90/521,136.08 = 207,863.02/x - Step 3: Cross multiply
377,628.90x = 521,136.08 × 207,863.02 - Step 4: Simplify right side
377,628.90x = 108,324,919,419.76 - Step 5: Solve for x
x = 108,324,919,419.76/377,628.90 - Step 6: Final answer
x = 286,855.48
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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.