Finding the Fourth Proportional to 298,257.63, 411,595.52 and 164,121.63
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Solution
The fourth proportional to 298,257.63, 411,595.52 and 164,121.63 is: 226,487.84
Step by Step Solution
- Step 1: Write the proportion equation
298,257.63 : 411,595.52 = 164,121.63 : x - Step 2: Convert to fraction form
298,257.63/411,595.52 = 164,121.63/x - Step 3: Cross multiply
298,257.63x = 411,595.52 × 164,121.63 - Step 4: Simplify right side
298,257.63x = 67,551,727,643.10 - Step 5: Solve for x
x = 67,551,727,643.10/298,257.63 - Step 6: Final answer
x = 226,487.84
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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.