Finding the Fourth Proportional to 298,482.12, 411,915.42 and 162,521.34
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Solution
The fourth proportional to 298,482.12, 411,915.42 and 162,521.34 is: 224,284.95
Step by Step Solution
- Step 1: Write the proportion equation
298,482.12 : 411,915.42 = 162,521.34 : x - Step 2: Convert to fraction form
298,482.12/411,915.42 = 162,521.34/x - Step 3: Cross multiply
298,482.12x = 411,915.42 × 162,521.34 - Step 4: Simplify right side
298,482.12x = 66,945,046,025.06 - Step 5: Solve for x
x = 66,945,046,025.06/298,482.12 - Step 6: Final answer
x = 224,284.95
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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.