Finding the Fourth Proportional to 298,523.98, 411,829.95 and 201,696.67
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Solution
The fourth proportional to 298,523.98, 411,829.95 and 201,696.67 is: 278,251.45
Step by Step Solution
- Step 1: Write the proportion equation
298,523.98 : 411,829.95 = 201,696.67 : x - Step 2: Convert to fraction form
298,523.98/411,829.95 = 201,696.67/x - Step 3: Cross multiply
298,523.98x = 411,829.95 × 201,696.67 - Step 4: Simplify right side
298,523.98x = 83,064,729,521.27 - Step 5: Solve for x
x = 83,064,729,521.27/298,523.98 - Step 6: Final answer
x = 278,251.45
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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.