Finding the Fourth Proportional to 298,005.24, 411,252.35 and 162,040.10
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Solution
The fourth proportional to 298,005.24, 411,252.35 and 162,040.10 is: 223,618.12
Step by Step Solution
- Step 1: Write the proportion equation
298,005.24 : 411,252.35 = 162,040.10 : x - Step 2: Convert to fraction form
298,005.24/411,252.35 = 162,040.10/x - Step 3: Cross multiply
298,005.24x = 411,252.35 × 162,040.10 - Step 4: Simplify right side
298,005.24x = 66,639,371,919.24 - Step 5: Solve for x
x = 66,639,371,919.24/298,005.24 - Step 6: Final answer
x = 223,618.12
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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.